He took a book sometimes, but never read it that I saw.
他有时拿着一本书,但就我所见,他从来没有读过。
I mean to me, the value of a book sometimes does not depend on its writer, but its reader.
因为对我来说,有时候一本书的价值不是靠它的作者,而是它的读者。
You will find this book sometimes challenging, sometimes startling, but always fascinating.
你可能会发现本书具有挑战性,有时又会使你大吃一惊,但总是你令你意想不到。
Sometimes he did not even keep a copy of his book.
VOA: special.2010.01.10
I think these extra pictures sometimes they're helpful, sometimes they just make the book cost a lot more.
我想这些补充的图片有时是有用的,有时仅仅是把书价抬高了一点
But, I think what most of you, actually having MIT come to MIT, have probably realized is sometimes it's nice to major in a science, because you can't just pick up a reaction and do it in your kitchen on the weekend, where as you can sometimes join a book group and do that.
但我认为对你们大多数人来说,既然来了,可能已经意识到最好是主修一门科学,因为你不能在你,周末的时候在厨房里做化学实验,然后你就可以参加一个读书俱乐部。
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