By 2008 more than a trillion pages were added to the World Wide Web, and that total grows by several billion a day. Each of these pages was written by somebody.
到2008年,互联网上增添的页面总计超过上万亿,并且每天以数十亿的数目在与日俱增,每个页面都有人往里面增添新内容。
If everyone in the U.S. used one less napkin a day, more than a billion pounds of napkins could be saved from landfills each year.
如果每个美国人每天都少用一张纸巾,那么每年垃圾堆里就能减少超过一百万镑的纸巾。
We filter through some simple apparatuses; we collect on the order of a billion microbes from just a day filtering on top of a building in New York City.
我们使用一些简单的仪器,一天之内,就在纽约市的一个楼顶上滤出了数以十亿计的微生物。
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