虽然要比被替换机种的能效大得多，但是光这一点还不够。能否完成计划中的订购数需要足够的时间去证明。

Although a far more capable aircraft than those it is replacing, it may not be useful enough for long enough to justify the size of the planned order.

youdao

他站起来，把他的位子让给了波维里先生，后者毫不谦让地坐了下来，急忙写那张对方需要的转让证明，而那英国人则在写字台的对面数钞票。

He rose, gave his seat to M. DE Boville, who took it without ceremony, and quickly drew up the required assignment, while the Englishman counted out the bank-notes on the other side of the desk.

youdao

所以睿都巴若那就试图证明自己的能力，他说，看那边的树，我只需数一根枝杈上的叶子，就能估算出树上叶子的总数。

So Rituparna tries to prove to him his abilities and he says, see that tree there, I can estimate how many leaves there are on that tree by counting leaves on one branch.

youdao

And then I run a loop in which I read something in, I check to see if it's the right type, if it is, I change that variable to say it's now the correct type, which means the next time through the loop, I'm going to say I'm all set and I'm going to bounce out.

因为我还没输入，然后我运行一个循环,循环内部我输入一些东西,然后看看是不是正确的类型,如果是的话我改变input，Ok为真，来证明输入数是正确的类型，这就意味着下一次运行这个循环的时候,就可以跳出循环继续执行了。

麻省理工公开课 - 计算机科学及编程导论课程节选