It's called that because in the old days, people let their cattles stray on the area, which was common land.

之所以叫这个名字，是因为在过去，人们让他们的牛在这片公共土地上游荡。

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In the old days, you could always find people making sugar figures at the school gate.

在过去，你总是可以在学校门口看到人们制作糖人。

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In the old days, ordinary people could only imagine what it looked like inside.

在过去，普通人只能想象里面是什么样子的。

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In the old days, people using McCormick Place had their pockets picked from the moment they arrived.

ECONOMIST: The convention business

"In China in the old days, people looked down on acrobats, " she says.

NPR: The Acrobats of China's Wuqiao County

In the old days ships brought people to the docks.

ECONOMIST: Bagehot: Scourge of slums | The