如果你想养条狗，有话说在前头，那可既费时间又费钱。

If you're thinking of getting a dog, be warned —they take a lot of time and money.

《牛津词典》

如果你喜欢周日散步，就走换条路走吧。

If you enjoy a Sunday walk, take a different route.

youdao

蜘蛛有8只眼睛，4对腿，如果它们失去一条腿，还能再长出一条新的腿。

Spiders have eight eyes, four pairs of legs, and can grow a new leg if they lose one.

youdao

I start off, either I take this path and carry on, or I take that path and carry on, but each box, if you like, gets touched exactly once.

程序开始后，或者采取这条路径然后继续，或者采取那条路径然后继续，但是每个图形，如果你喜欢这么说的话。

麻省理工公开课 - 计算机科学及编程导论课程节选

Remember that this molecule, let's look at the blue one wouldn't be the same if I turned it upside down.

让我们记住,如果我把蓝色的,单链倒过来,那么这条链和原来不一样了

耶鲁公开课 - 生物医学工程探索课程节选

So, this makes this chart shown in pink make a lot more sense, because if we're way out at very far distances, essentially what we have here is we're talking about two separate atoms.

因此综合考虑这些因素可以发现这条粉红色曲线很合理，因为如果我们离得非常远，本质上来说,我们讨论的就是两个分开的原子。

麻省理工公开课 - 化学原理课程节选