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对于一个城市,植被覆盖率总是希望越高越好。但一个房间的花草却不是多多益善。专家提醒说,有些花草在房间里摆放数量过多
For a city, vegetation coverage is always as high as possible. But a room of flowers but not much better. Experts warn that some flowers are placed in the room in excessive numbers