One sign of hope is a new way to make the natural defenses of mosquitoes resistant to the Plasmodium parasite.

VOA: special.2010.04.20

Just while you're reading that over, can I also make sure you've all got your legal forms and you're going to sign.

你们边读规则,我边督促你们去,签署授权书

耶鲁公开课 - 博弈论课程节选

What is a sign? Saussure's famous diagrams make it clear enough.

符号是什么，让我们来看看索绪尔有名的图标。

耶鲁公开课 - 文学理论导论课程节选

But in a possible sign of progress, Mitchell will visit several Arab countries and then make an unscheduled stop in Israel on Friday for more talks.

VOA: standard.2009.09.16

The Newscorp's rising stock price was a sign that Rupert Murdoch had some idea how to make money and The Wall Street Journal was not doing as well, so it got gobbled up.

新闻集团,全球最大的媒体集团之一默多克家族控制其30%的股份,是鲁珀特·默多克有能力赚钱的标志,而《华尔街日报》做得不好,所以它被吞并了

耶鲁公开课 - 金融市场课程节选

So if the firms wanted to make more money, the only thing they could do is they could sign an agreement saying, why don't each of us produce not our Cournot quantity, but produce half monopoly profits.

所以如果你们想多赚钱,唯一能做的就是签协议,我们不要按古诺产量生产了,各自生产垄断利润的一半多好呢

耶鲁公开课 - 博弈论课程节选

And what this means is we can use --take any arbitrary idea in the world, the idea of a chair or a story or a country, and make a sound or a sign to connect to it.

符号任意性是指,我们可以拿来世间任何想法,比如椅子,故事,或是国家,再发明一种声音或符号来与之相联系

耶鲁公开课 - 心理学导论课程节选