Many parents do not have the money to buy books, so sometimes the teachers pay for them.

VOA: special.2009.08.24

Leisure does not simply mean rest or inactivity but leisure is necessary for education or what he sometimes calls by the term philosophy.

安逸不单意指休憩或静止不动,安逸是教育的必备条件,或是套用,他有时会使用的词汇－哲学。

耶鲁公开课 - 政治哲学导论课程节选

Railroads is a good example--and sometimes I'll throw out examples, you're not responsible for them, it's just kind of hopefully interesting for you to think about.

铁路就是很好的例子,有时我会举一些例子,你们可以不去记他们,我这么做是希望你们可以去思考

耶鲁公开课 - 1871年后的法国课程节选

That is where you can argue it is not fair sometimes for the competition.

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Many times outages are not restored, sometimes for weeks, because the location of a broken power line is not known immediately or a massive overhaul on systems is needed and parts may be on the other side of the world.

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Whether this development has been successful is a matter for the critics, who have blasted some of the opera productions led by theater directors (sometimes for not being adventurous enough).

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