And we know there is this dark undertow which is connecting us all globally.

正是心底这种暗黑将全人类联系起来。

We all know their epic journeys up rivers to spawn.

我们都知道它们而上洄游旅程。

There are also those who swim against the stream.

当然也由而行人。

But in the Atlantic bluefin, a mechanism called countercurrent exchange traps the heat.

但在蓝鳍金枪鱼身上有一种名为交换机制可以捕获这些热量。

Traveling upriver exhausts them so much, they can not make the return journey.

而上旅程耗尽了它们体，它们无法踏上归程。

The sea was very rough in the straits, full of eddies formed by the counter–currents, and the chopping waves broke her course, whilst it became very difficult to stand on deck.

海峡中水非常急湍，到处都是造成漩涡。唐卡德尔号走得非常吃，急促海浪阻碍旨它前进。如今在甲板上，很难站稳脚步。

In the case of Chinook salmon, it was literally within a day, days of the final blast, the first fish were observed upstream within a matter of days.

在奇努克鲑鱼案例中，它实际上是在最后一次爆炸一天，几天内，就出现了而上第一条鱼。

Ocean tides are strong. Swimming against the tide is not advisable. It can make you tired and you could drown.

潮汐很强劲，而行是不可取，会让你疲惫不堪，你会溺水。

So we beat on boats against the current drawn ceaselessly back into the past.

于是我们奋向前划，向上小舟，不停地倒退，进入过去。

As U.S. entrepreneur Sam Walton advised, it often makes sense to swim upstream.

正如美国企业家山姆·沃尔顿所建议，而上往往是有意义。

And that's why the Buddha describes his teaching as against the stream.

这正是佛陀将其教义描述为“而上”原。

Long stretches pass by timeless slices of Egyptian life as vacationers have little option but to relax and live at the pace of the steady boat heading against the current of the fabled river.

漫长一段路过埃及生活永恒片段，为度假者别无选择，只能放松身心，按照平稳船节奏生活，而上传说中河。

Because of how I grew up, because of my childhood, because of certain things that happened to me that I won't share today, I have this against the grain mentality that I want to do things on my terms.

由于我成长经历、童年以及一些今天不愿提及往事，我养成了而上心态，坚持按自己方式行事。

Alders and willows waist-deep were bearing up against the current with nervous trembling gestures, as if afraid of being carried away, while supple branches bending confidingly, dipped lightly and rose again, as if stroking the wild waters in play.

齐腰桤木和柳树以紧张颤抖姿态而上，生怕被卷走，而柔嫩枝条则自信地弯下腰，轻轻地垂下又升起，仿佛在嬉戏地抚摸着狂野水面。

As soon as they left the dock, the ship  almost collided with the USMS New York, which was pulled toward the ship by the strength  of the luxury liner's personal undertow.

他们一离开码头，这艘船就差点撞上 USMS New York，后者被这艘豪华班轮个人拉向了这艘船。

'Silly! ' said Taffy, and she stamped her foot, because she saw a shoal of very big carp going up the river just when her Daddy couldn't use his spear.

'愚蠢！'塔菲说，她跺了跺脚，为就在她爸爸不能使用长矛时候，她看到一群非常大鲤鱼而上。

I felt the tide starting to change and the current that we had fought against to go in was now like sucking us into the iceberg.

我感觉到潮水开始转变，原本我们奋而入水，现在却像要把我们吸入冰山一般。

In summer, this creek, like hundreds of others in Alaska, teams with large fish swimming upstream from the ocean to spawn.

夏季， 这条小溪和阿拉斯加其他数百条小溪一样，成群结队地从海洋而上产卵大鱼。

But the problem runs deeper than too few salmon making it upstream: those that do are not able to spawn.

但问题不仅仅在于而上鲑鱼数量太少， 更严重是，那些而上鲑鱼无法产卵。

Meanwhile, upriver journeys against currents could take days or prove impossible, and cargoes would often be lost or damaged.

与同时， 而上航行可能需要几天时间， 甚至根本无法完成，货物也经常会丢失或损坏。