只有在后来我们才发现，他焦虑可能是因为他在等待一个非常重要的考试的结果。
It only occurs to us later that they might have been worried because they were waiting for important test results.
只有在后来我们才发现，他焦虑可能是因为他在等待一个非常重要的考试的结果。
It only occurs to us later that they might have been worried because they were waiting for important test results.
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