In informal written English, you can also use abbreviations, like btw for by the way, ttyl for talk to you later, etc.

在正式的书面英语中，你也可以使，如btw“顺便”、ttyl“回聊”，等等。

By the way, this is not rehearsed.

我们事先没有彩排过。

What's your surname, by the way? ”

对，你姓什么？”

By the way, I always reward myself when I achieve my goals.

同时，当我达成目标后我会奖励自己。

And by the way that sample was slowed down by half, and lowered an octave.

顺便说一下，采集到的声音样本经过处理——速度减半，音调也降低一个八度。

It's eleven stories high, and stretches 330 meters along the King's Cross railway tracks – that's longer than London's tallest building, the Shard, is high, by the way.

它有11层楼高，沿着英皇十字铁路线延伸330米，这可比伦敦最高的夏德大厦还要高。

Thanks for sending me on a wild goose chase, by the way.

顺便说下 谢谢你让我白跑一趟。

They are also, by the way, disproportionately affected by climate change, which is especially unfair.

顺便提一下，他们还更大程度地到气候变化的影响，这尤其不公平。

And I'm not Persian, by the way.

顺便说一句，我不是波斯人。

By the way, they were very, very seriously injured, but now they're doing very well.

顺便说一句，他们常常严重的伤，但现在情况良好。

By the way, arch-villain is one of Shakespeare's creations.

顺便说一句，arch-villain也是莎士比亚首次在作品中使的词。

By the way, I just wanted to say well done on clinching that deal!

顺便说一下，我想说一下你促成的那笔交易常好，干得漂亮！

By the way, I like your overalls.

对，我喜欢你的长罩衣。

And I'm appalled for you, by the way.

还有，我很为你生气。

By the way, this is a fixed expression.

顺便提下，这是个固定表达。

By the way, you can also weasel your way into something.

顺便说一句，我们还能说你削尖脑袋想干某事。

By the way, can I have a traveller's cheque here?

顺便问一下，能在这里办理旅行支票吗？

By the way, he should be saying that he's not me.

顺便提一句，他应该会说他不是我。

You look great, by the way. You look like a stud.

对 你看起来状态很好 魅力四射。

By the way, all that is through Special Olympics.

补充一下，这些都是因为特殊奥林匹克运动会。