It doesn't take long for most pop icons to become yesterday's news.
大多數(shù)偶像明星很快就會(huì)成為昨日黃花。
He is supposed to be there on time.
按理說他應(yīng)該準(zhǔn)時(shí)到那兒。
Although mankind has undergone no general improvement in intelligence or morality, it has made extraordinary progress in the accumulation of knowledge.