While documentation was certainly provided, the general populace never got the in-depth to really explore the nooks and crannies of the language, let alone write their own compiler.
虽然微软提供了文档，但一般的开发人员不可能真正深入到语言的底层，更不用说编写自己的编译器了。
He cannot speak French let alone write it.
他不会讲法语，更谈不上写作了。
He cannot speak French, let alone write a letter in it.
他不会说法语，更谈不上用法语写信了。
He can't read, let alone write.
他不会读，更不用说写了。
He cannot speak French let alone write a letter init.
他不会说法语，更谈不上用法语写信了。
He cannot speak French let alone write a letter init.
他不会说法语，更谈不上用法语写信了。
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