Last week, Yale put some of its most popular undergraduate courses and professors online free.
上周，耶鲁大学也把一些最受欢迎的大学课程和教授讲课给免费了。
You may have the opportunity to take leadership-development courses online or in-person for free.
你可能有机会参加免费的网上或面对面的领导力开发课程。
You may have the opportunity to take leadership-development courses online or in-person for free.
你可能有机会参加免费的网上或面对面的领导力开发课程。
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