fall out of use

基本解釋

Tax fossil fuels high enough and they will fall out of use.
對(duì)化石燃料征以足夠高的稅收，這將導(dǎo)致人們不再使用化石燃料。
As the language grows, new words are accepted and many words fall out of use.
隨著語(yǔ)言的發(fā)展，新詞不斷被採(cǎi)用，而有許多詞則停止使用了。
Because if you do need to use it, it doesn't just fall out of the sky, it needs preparation, development and a lot of knowledge.
因爲(wèi)如果你真的需要使用它，它不會(huì)恰好那時(shí)從天上掉下來(lái)，它需要前期無(wú)數(shù)的準(zhǔn)備、緩慢但有成傚的發(fā)展和與之相關(guān)的一系列知識(shí)。

The upshot of all this activity is a marked reduction in the rate of new infections, though sceptics point out that the fall began before ARV use and circumcision became widespread, and that the role of behavioural changes (including a greater willingness to use condoms) should thus not be underestimated.
ECONOMIST: The 19th International AIDS Conference: Looking into the future The