美国人是否有能力和远见消除这些剥夺数百万同胞民主权利和机会的结构性障碍？

Do Americans have the capacity and vision to remove these structural barriers that deny democratic rights and opportunities to millions of their fellow citizens?

youdao

特别是节点有可能在您不知道的情况下被修改或者删除，使您没有机会相应地更新自己的结构。

In particular, nodes could be modified or deleted without you ever knowing about it, and not having a chance to update your own structure accordingly.

youdao

危机提供了面对结构问题的机会、决心和速度，但是只有我们认可这些行动是不可避免也是必须的，才有可能实现变革。

They provide the opportunity to confront structural problems with determination and speed, but only if we accept these actions as inevitable and necessary.

youdao

For those of you just walking in now, you might not have a chance to get all of the thought process that you need in on this clicker question, because it is based on a Lewis structure, so we will go over it.

那些刚刚进来的同学，你们可能没有机会时间来回答,因为答案是基于Lewis结构上的,所以我们赶紧看一下。

麻省理工公开课 - 化学原理课程节选