我真的尝试了10个要素，但我想不出更多。
她等待着，看我是否有话要说，但我想不出来要说的话。
She waited to see if I had anything to say, but I couldn't think of anything.
帐户可能封装数据，但我想不出任何它将执行的操作，因此Account就不是一个合适的类。
An account might encapsulate data, but I can't think of any operations that it will perform, thus account is not a proper class.
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