The admiral says the situation in Iraq seemed impossible to resolve a few years ago, and,although the two countries are very different,and progress in Iraq is not a guarantee of progress in Afghanistan, it does give him reason to be hopeful about Afghanistan - even during the current period of heavy violence and at best,slow progress.

VOA: standard.2010.07.22

There were two well coordinated nash Equilibria although one was better than the other.

那个博弈有两个纳什均衡,尽管一个比另一个更好些

耶鲁公开课 - 博弈论课程节选

Impiety need not be the same thing as atheism although Meletus confuses the two but it does suggest irreverence even blasphemy toward the things that a society ? cares most deeply about. Yes?

亵渎神明不必然等同于无神论,但Meletus将两者搞混了,但那的确意谓着不敬,甚至是亵渎那些,社会最深刻关切旳事务，是吧？

耶鲁公开课 - 政治哲学导论课程节选

Indian Kashmir has been wracked by a two-decade-long separatist insurgency, although levels of violence have sharply dropped in the lpast five years.

VOA: standard.2009.10.28

The two generals are expected to take up their posts in the coming weeks, although they have not yet been confirmed by the U.S.Senate.

VOA: standard.2009.06.08

House-Senate negotiations aimed at reconciling the two versions of the bill are not expected to begin until the new year, although informal contacts are likely already under way.

VOA: standard.2009.12.24

Although Democrats are assured their 60 votes, through various compromises and support from two Independent senators, Republicans used the remaining hours of floor time Wednesday to re-state their objections.

VOA: standard.2009.12.24

The target pledges by the world's top-two carbon emitters are seen as hopeful signs for progress at Copenhagen, although a final package for global greenhouse gas reduction remains in doubt.

VOA: standard.2009.11.26