It found that almost four percent of deaths around the world in two thousand four were linked to drinking alcohol.

VOA: special.2009.09.08

So in addition to having these two carbon bonds, we actually also have four carbon hydrogen bonds in addition to our carbon-carbon bonds.

在这碳碳之间的键以外，我们还有四个碳氢键,除了我们的碳碳键外。

麻省理工公开课 - 化学原理课程节选

Four times the number of pigs plus two times the number of chickens, assuming they're not next to a nuclear reactor, is 56.

其它还有什么呢？,4倍的猪的数量加上两倍的鸡的数量,考虑到它们不是住在核反应堆旁的。

麻省理工公开课 - 计算机科学及编程导论课程节选

Instead of two four-man groups making big runs of each item, four two-man teams do small runs of a few pieces.

FORBES: Magazine Article

Back then, most European teams still lined up four defenders, four midfielders and two forwards, also known as strikers.

WSJ: La Roja: How Spain Became the World's Best Soccer Team

He had outlived his four wives, his four siblings and two of his seven children.

ECONOMIST: George Dawson