So, Evelyn is telling Hank that he has to learn how to give correct change.

所以，伊芙琳告诉汉克，他必须学会如何找零钱。

They were to angry to give him even small change, which made him slump even more!

他们太生气了，停止了他的零钱。这使他更消沉了。

Like having a tire replaced, there's no way to give a rover an oil change on Mars.

就像更换轮胎一样， 没有办法给火星车换油。

If you want a job here as a cashier, you'll need to be able to give correct change.

伊夫林：如果你想在这里当收银员，你需要能够正确找零。

The takeaway learning point here is that it only takes a small change in the size of the artery to give a big change in blood flow.

这里的要点是，仅需改变动脉大小即可使血流发生较大变化。