In recent years the problems which are caused by the inequality of education opportunity have attracted the public's attention.

近年来，由教育机会不平等引起的问题引起了公众的关注。

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And operational downtime caused by reliability or performance problems can incur opportunity costs if customers are unable to access your system or the business is unable to do its work.

并且如果顾客不能访问你的系统或业务不能进行工作，那么由可靠性或性能问题引起的运作停工就会招致机会成本。

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Social entrepreneurs are tackling those really big problems: problems that reach beyond microfinance, such as educational opportunity, children's health, housing, clean water, climate change.

社会企业家正在解决那些非常重大的问题：超出微型金融以外的问题，像是教育机会、儿童健康、住家、干净水源、气候变迁。

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More broadly, if we are serious about addressing our national energy problems, these advances have given the U.S. a unique opportunity to realize large gains for both the environment and the economy.

FORBES: Log Baby Log: The Race to The Big New Resource Play You Haven't Heard Of