Though a few people can remember one thousand new words a day, they can't remember them once for all.

可能有个别人能在一天之内记忆一千个单词，但是，他们无法一劳永逸地记住这些单词。

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Though many technical writers hate to admit it, a picture is often worth a thousand words.

尽管许多技术作家不愿意承认，但是一张图片常常胜过千言万语。

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