然而，这些类中没有一个是语言中立的，并且将它们的实例序列化到XML中非常困难，有时甚至是不可能的。
None of these, however, are language-neutral, and serializing instances of them into XML is difficult and sometimes impossible.
然而，这些类中没有一个是语言中立的，并且将它们的实例序列化到XML中非常困难，有时甚至是不可能的。
None of these, however, are language-neutral, and serializing instances of them into XML is difficult and sometimes impossible.
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