The pollution caused by autos is the most important problem at present.

由汽车造成的污染是目前最重要的问题。

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The system for choosing clubs on line is a powerful try to solve the problem at present.

介绍网络编程相关技术的在线选课系统就是用以解决这一实际问题的一项尝试。

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Monsoon is a perpetual subject in atmospheric science field and its precipitation is a popular and emergent problem at present.

季风是大气科学领域一个永恒的话题，季风降水是当前季风研究中急待解决的热点问题。

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The problem at present, he says, is that North Korean farmers plant too many poor-quality seeds in a desperate attempt to boost crops, and do so in soil that is becoming increasingly less fertile.

ECONOMIST: North Korea��s dreadful spring

But that is indeed the basic problem with such radio streaming services at present.

FORBES: Apple's iRadio Is On The Way And They Seem To Be Getting The Songs Cheap

We are seeing a series of experiments with different MMO monetization models at present, but all have the same problem: games which cost as much as or more than a full-sized game are hard to fund with a model best applied to small, repetitive mobile and social games.

FORBES: Move up http://i.forbesimg.com t Move down