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(单词翻译:双击或拖选)
2. One thing I'm concerned about is...
One thing I'm concerned about is the environment.
Why did you cancel your trip? I know you were really looking forward to it.
One thing I'm concerned about is my health.
2. One thing I'm concerned about is...
One thing I'm concerned about is the environment.
Why did you cancel your trip? I know you were really looking forward to it.
One thing I'm concerned about is my health.