“出动的最佳时间是午饭时候，当城管都在休息。”孟先东一边紧张地扫视着人群，一边这样说，他54岁，是一个卖甜干土豆的小贩。
"The best time to be out is lunch time, when the chengguan are on break," said Meng Xiandong, 54, a vendor of dried sweet potatoes, as he nervously scanned the crowds.
他还指出动物们肯定有的是时间为人类而调整自己。
He points out the animals have certainly have time to adjust for people.
研究人员用了30天的时间住在船里考察这片区域，甚至出动了一架无人机从天上拍摄照片。
Researchers are spending 30 days living on a boat in the area, and have even taken a drone to capture images from the sky.
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