那些国家的经济活动与去年同期相比仍然非常策弱。

Economic activity in those countries is still much weaker than at the same time last year.

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据ComScore的数据，去年4月有689家广告商通过手机开展广告活动，与两年前同期相比，增幅达到128%。

According to ComScore, 689 advertisers used mobile display advertising campaigns last April, a 128% increase compared with the same time two years earlier. (Los Angeles Times).

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相比之下，通用汽车本周公布，8月份在美国的销量下降20%，至245,550辆，原因之一是去年同期销售的强劲，当时它为庆祝公司成立100周年举行了大规模的促销活动。

By contrast, GM this week reported a 20% decline in U.S. sales in August to 245, 550 vehicles, in part due to strong year-earlier sales when it had a big promotion celebrating its 100th anniversary.

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