提示：点击例句中的单词，就可以看到词义解释

There is much pleasure to be gained from useless knowledge .

从无用的知识之中可以得到那么多乐趣。

Your negative thoughts most negative emotions are completely useless .

消极的想法大多数的消极情绪完全没用。

This makes them worse than useless in a world characterised by persistent financial instability .

在一个以金融持续不稳定为特征的世界里，它们只能是有害无益。

You could try to bribe your parents , but threats will be useless because they are doing you a favour .

你可以试着贿赂自己的父母，但威胁是没有用的，因为他们是在给你帮忙。

One explanation is that most rna transcripts are useless , being mere " noise " generated by overzealous enzymes that don 't know when to stop transcribing dna into rna .

一个解释是大多数的rna译码过程都是无用的，仅仅是过分活跃而又不知道如何终止dna向rna译码的过程中产生的白噪声。