The fluids from the moth's abdomen deter ants, but are completely useless against birds.

腹部分泌的液体可以驱逐蚂蚁,但是对鸟类却完全不起作用。
She wanted to get some personal profit out of things, and she rejected as useless all that did not contribute to the immediate desires of her heart, being of a temperament more sentimental than artistic, looking for emotions, not landscapes.
她要求事物投她所好;凡是不能立刻满足她心灵需要的,她都认为没有用处;她多愁善感,而不倾心艺术,她寻求的是主观的情,而不是客观的景。
The collective “we” are dumbfounded that people still drive drunk, so I’ll sum it up like this. If you drive drunk, you — simply put — are a shortsighted, utterly useless, oxygen-wasting human form of pollution, a Darwin award-deserving, selfish coward.
我们都觉得很震惊,至
有人会酒驾。所以我来总结一下。如果你酒驾,那么简而言之,你就是个目光短浅、毫无用处、浪费氧气的人形污染物、达尔文奖得主、自私的懦夫。