The result is interesting and different, but do not attempt the recipe if time is short.

结果有趣且非同寻常，但如果时间紧张就不要尝试这个食谱。

《柯林斯英汉双解大词典》

I'm not saying that. But do you know useless masks are harmful to the earth?

我不是那个意思。但是你知道没用的口罩对地球有害吗？

youdao

But do you need two years or five years?

但是你到底需要两年还是五年？

youdao

The researchers say many, if not all,people likely have these antibodies but do not always produce or use them efficiently.

VOA: special.2009.03.04

I'm sorry to cut you out. But do you mind if I ask you one more question? -Absolutely delighted.

不好意思打断您，我可不可以,再问您一个问题？，-当然。

普林斯顿公开课 - 人性课程节选

But do you know other attractions that visitors might not be familiar with?

但你知不知道哪些游人们一般不太熟悉的景点呢？

有各种社区 - SpeakingMax英语口语达人

Brazilians have a reputation for being beautiful, but do not let that intimidate you.

BBC: Rio��s beach culture, posto by posto

Swim, snorkel and surf, but do not leave without tackling the Na Pali Coast's amazing Kalalau Trail.

BBC: How to choose a Hawaiian island

We may live and work in a knowledge economy, but do we know of our freedom.

FORBES: 42 Miles Of Echo Taps: A Memorial Day Tribute