It has been a long-standing problem in fundamental education that students have an excessively heavy studying burden.

中小学生学业负担过重是长期以来中国基础教育中特有的问题。

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As noted in the report, lack of resources has been a long-standing problem for an initiative that aims to reach large Numbers of very poor people.

正如报告所指出的那样，缺少资源是那些旨在影响到大量极为贫困人员的行动所遇到的一个长期问题。

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The Englishman has been troubled by a long-standing calf problem and does not intend to play again before the WGC-HSBC Champions event, starting on 4 November.

BBC: Kaymer could beat Westwood to world number one spot