How much you tip depends on the service, which can really put your math skills to the test!

你给多少小费取决于服务的质量，这将是对数学技能的考验！

youdao

Did you tip the bellboy?

你付小费给那个服务生了吗？

youdao

If you tip badly, people think less of you.

如果你掏的小费少，人们就会看轻你。

youdao

"If you were to design the perfect plug for a child's airway, you couldn't do much better than a hot dog tip."

VOA: standard.2010.02.23

One tip about this, try to identify all the dominated strategies of all players before you delete, then delete.

这里有一个窍门,在剔除之前试着找出,所有参与人的劣势策略,然后再剔除它们

耶鲁公开课 - 博弈论课程节选

The other tip I'm going to give you is any time you see a chain molecule, by chain I just mean many different atoms written out in a row.

我要告诉大家的另外一个小窍门是,每当你看到一个链状分子，链状的意思是说很多,不同的原子写成一行的形式。

麻省理工公开课 - 化学原理课程节选

Which strongly suggests that if you tip things just a little bit you essentially turn off the process.

NEWYORKER: In the Air

Viewing angles are sufficiently wide (you could accommodate three to four people huddled around this machine) -- that is, until you tip the screen forward or back, in which case images wash out quickly.

ENGADGET: Toshiba Satellite U845W review: an Ultrabook with a screen size all its own

Go too slow and you tip over.

FORBES: Love into Money