Adam Shepard wound up cutting his experiment short by three months: his mother had cancer and Shepard went home to help her.

亚当·谢巴德提前三个月结束了体验：谢巴德的母亲得了癌症，他回家照顾她。

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In the first few months of 2009, the number of smokers increased by 3.4 per cent while over-the-counter tobacco sales went down by three per cent.

在2009年的前几个月中，吸烟者的人数增加了3.4%，而通过柜台进行的烟草销售则下降了3%。

youdao

In the first few months of 2009, the number of smokers increased by 3.4 per cent while over-the-counter tobacco sales went down by three per cent.

在2009年的前几个月中，吸烟者的人数增加了3.4%，而通过柜台进行的烟草销售则下降了3%。

youdao