By the end of last month, Jane had raised enough money for the poor sick boy.

到上月底，简已经为这个患病的可怜男孩筹到了足够的钱。

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By the end of last year, the young teacher who was thirsty for knowledge had been abroad for further study for two years.

到去年年底，那位求知若渴的年轻教师已经出国深造两年了。

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They had visited quite a few cities and towns in China by the end of last week.

直到上周末，他们已经访问了很多中国大大小小的城市。

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As for how long the recession will last, Bryson predicts that the economy could turn positive by the end of the year.

VOA: standard.2009.03.18

But the firm suggests that figure had dropped to less than 4% by the end of last year.

BBC: Blackberry expands BBM chat app to Android and iOS

By the end of last year more than 76m smart meters had been installed worldwide.

ECONOMIST: Utilities are getting wise to smart meters and grids

But by the end of last year, only 522, 000 loans had been permanently modified.

ECONOMIST: America's housing market