只要不撤退至不可通过的地形便可。

A. Only impassable terrain is considered when retreating.

youdao

但是预算案的审议却几经周折，且连一个先行的小规模的刺激计划都很难通过，有鉴于此上述内部计划可通过的机会渺茫。

But after the tortuous budget deliberations and the difficulty of passing earlier, smaller stimulus proposals, the chances that one planned on the quiet might pass are remote.

youdao

俱乐部的会员资格仅可通过推荐获得。

Membership of the club is by nomination only.

《牛津词典》

Let's just... We'll get there, just to remind you, the way we read this is you give me a quantity of Firm 2, I find Firm 1's best response by going across to the pink line and dropping down.

我们当然也能算出来,提醒一下各位,这个图像的个意思是任意给出公司2产量,然后通过这条粉色的线,就可找出与之对应的公司1的最佳对策

耶鲁公开课 - 博弈论课程节选

And so it's an understandable ploy on Milton's part that he needs to vilify Shakespeare by identifying that great poet, his older contemporary, with Comus.

所以就弥尔顿而言，是一个可理解的事,他需要通过认同那伟大的诗句来贬低莎士比亚，用Comus来压倒比他年纪较大的同时代人。

耶鲁公开课 - 弥尔顿课程节选