Although negotiators are optimistic, the details are complex enough that they may be hard-pressed to get a deal at all.

然谈判代表持乐观态度，但协议细节如此复杂，他们所面临的困难很可能使他们无法取得一致。

they become merged in the sea, and painlessly lose their individual being.

汇入大海；毫无痛苦地失去了自我的存在。

It was not forced upon them by the survival competition; they could have caught and lived on prey without using poison, just as the thousands of non-poisonous snakes still do.

毒液不是生存竞争强加给它们的，它们也可以不用毒液捕捉动物而生存，就像今天成千上万的无毒蛇那样。

He must strive continually to think of, and use, form in its full spatial completeness.

他必须勤于想像并且利用形体在空间中的完整性。

lawyers and defendants, marriages and births----

律师和被告、婚姻和生育，

or even the universe itself, must in the nature of things 'wear out'.

甚至宇宙本身，从事物的本质上来说都会磨损掉"。