买卖的订单就像鸟儿一样飞进飞出。

Orders to buy and sell came and went like birds flying.

youdao

火车开得缓慢，蝴蝶从窗口飞进又飞出。

The train moved away so slowly that butterflies flew in and out the window.

youdao

火车开得缓慢，蝴蝶从窗口飞进又飞出。

The train moved away so slowly that butterflies flew in and out the window.

youdao