at hand中等

It is undoubtedly true that all work and no play really does make Jack, or Jill, dull. The cure is right at hand. Reading is cheap, easy and, most important, it’s fun. Liberate your imagination this year.

毫无疑问，只工作不玩耍确实会让人变得乏味。解药就在手边。阅读便宜、简单，最重要的是，它很有趣。今年就解放你的想象力吧。

But that doesn’t mean crucial ethical issues involving AI aren’t at hand.

但这并不意味着与人工智能相关的关键伦理问题还没有到来。