You may wonder if light is also needed for life to form.

你可能会想阳光是不是命形成的必条件。

Power is required for the accumulation of money and then the retention of that money.

权力是积累金钱和保存金钱的必条件。

One of the essential requirements of good news writing is accuracy.

优秀新闻报道的必条件之一是准确。

Owning your weaknesses is necessary for your success and your self-confidence.

正视自己的弱点是成功和自信的必条件。

Acknowledging this as a fact is a necessary condition for achieving peace.

承认这一点为事实是实现和平的必条件。

To create clouds, and to have rain, the air has to be cooled.

想产云彩，进而下雨，空气遇冷是必条件。

Pressure control is another necessity inside any ocean habitat.

可控的压力是建造海洋栖息地的另一个必条件。

Well, we gotta get ready for hibernation somehow! Eating a lot is definitely a requirement!

我得为冬眠做好准备呀！大吃特吃可是必条件！

The SAT is a test many American colleges require as part of the admissions process.

SAT这项考试是美国许多大学录取过程的一项必条件。

If Clipper and JUICE do manage to find the conditions necessary for life.

如果欧罗巴快船和 JUICE 确实能够找到命的必条件。

He also called for political preparations and necessary conditions for the next phase of exchanges.

他还呼吁为下一阶段的交流做好政治准备和必条件。

What is needed is an unexpected abundance of such signals.

这样的迹象出乎意料地频繁出现是一个必条件。

So, what if 'doing' isn't always necessary to get things done?

那么，如果“做”并不总是完成事情的必条件呢？

And that change will only occur if four key elements are met, notes the WHO.

这种改变发的必条件是以下4个因素满足，这是WHO的观点。

Salt is important to fetuses and children because it is required for optimal growth.

盐对胎儿和儿童都至关重，因为盐是优先育的必条件。

I don't necessarily think that wildflowers are necessary to keep the globe spinning and people alive.

我不认为野花是保持地球旋转和人着的必条件。

Despite a popular theory, having a moon is no longer a requirement for life to exist.

尽管有个流行的理论认为月球不再是命存在的必条件。

This seapower approach to the world became the sine qua non of early American foreign policy.

这种对世界的海权方针成为早期美国外交政策的必条件。

Have fewer traces of copper than those of Europe, Essential for the formula to work.

与欧洲出产的银矿石相比 含铜量更少，而铜正是这种化学反应效的必条件。

He added: A high-precision landing is a necessity for further exploring the moon and asteroids.

“高精度着陆是进一步探索月球和小行星的必条件。