In the winter of 2006 beekeepers in America noticed something odd—lots of their hives were dying for no obvious reason.

2006年冬，美国养蜂人注意到奇怪的现象，他们的蜂群不明原因地死掉。

Mr. Carey had so many books that he did not know them, and as he read little he forgot the odd lots he had bought at one time and another because they were cheap.

凯里先生的书太多了，以至于他都不认识它们，而且由于读得很少，他忘记了他一次又一次购买的零星书籍，因为它们很便宜。