I'm a police officer and occasionally park my cruiser in residential areas to watch for speeders.
我是一位警官,为了留心到超速者,偶然把车停在住宅区。
Green space in residential areas in not only urban important part of the system, but also the ecological balance of urban man-made park an important part of the system.
居住区绿地既是城市绿地系统中重要的部分,又是城市人工造园生态平衡系统中的重要一环。
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