在40年前，由格雷厄姆和都德合著的教科书第一次出版之后，这样做是值得的。 但是情况自从那之后改变了很多。

This was a rewarding activity, say, 40 years ago, when our textbook Graham and Dodd was first published; but the situation has changed a great deal since then.

youdao

显然， 我犯了一个错误：在德尔里奥和厄尔巴索之间，还是有一个活物的，尽管它是只蚊子，这个幸存者，在我旁边，在我周围，在我身上，“吱吱吱吱吱”。

Obviously, I had made a mistake: there was a living soul between Del Rio and El Paso, one only mosquito, The Survivor, just beside me, around me, on me, zzzzz.

youdao

但是在洛厄尔，只要我喜欢，就能乘着火车去康科德。

But from Lowell I could get to Concord by train as often as I liked.

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