The reason is obvious: the graying of America means jobs.

原因是显而易见的：美国的人口老龄化意味着更多工作机会。

youdao

If someone has a great sense of humor, we reason, it means that they are happy, socially confident and have a healthy perspective on life.

如果一个人很有幽默感，我们推测，这意味着他很快乐，在社交方面很自信而且对生活有一个正确的看法。

youdao

The reason all this seems so sinister to you is that you are one of the few survivors from the old regime, which means you naturally distrust the team coming in and resent their clannishness.

而所有这些在你看来都如此邪恶，原因是，你是少数几个从旧体制中幸存下来的人之一，这意味着，你必然会不信任新进来的团队，并憎恨他们的帮派行为。

youdao

That means they're college eligible. So part of the reason college enrollments are at an all-time high is because the pool of youth that's eligible to go to college is also at an all-time high."

VOA: special.2009.11.19

Now this is perhaps, frankly this is really the reason that people tend to get confused with the new piece of syntax because the * means different things in different contexts.

也许，这就是大家对这个新语法,混淆的原因,因为*的在不同的环境中有不同的意义。

哈佛公开课 - 计算机科学课程节选

What is the heart but a spring, ?" or reason but a means of calculating pleasures and pains."

除了跳动，心脏又为何物，除了感觉愉快和痛苦，人为什么而活“

耶鲁公开课 - 政治哲学导论课程节选

And in those bygone days, children, money actually earned interest which was a major reason to consider means of deferring gain.

FORBES: Sometimes You Should Just Pay The Tax

Thus, apart from the direct ethics of suffering, justice and equality, there is another reason to support all reasonable means of poverty reduction: this is the only way to secure the ability of ordinary people to participate in debates about culture within their own communities.

UNESCO: Arjun Appadurai - Cultural rights as an enabling environment for cultural diversity | Echoing voices

All of this means that there is no reason to suspect any profound selloff of dividend stocks.

FORBES: Diving Over The Fiscal Cliff With Dividend Stocks