Children like to go back and forth on the swings in the park.
孩子们喜欢在公园的秋千上荡来荡去。
We'll continue to go back and forth with them. We feel optimistic as well.
我们将继续和他们进一步的谈下去，我们也感到非常乐观。
Go back and forth, on their way to take a the most beautiful flowers.
可以来回走，在途中要取一支最好看的花。
Go back and forth, on their way to take a the most beautiful flowers.
可以来回走，在途中要取一支最好看的花。
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