We pace back and forth in each other world edge, cannot enter also cannot draw back actually.

我们在彼此的世界边缘徘徊，走不进却也退不出。

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That’s why I tend to put on a headset and pace back and forth in my office when I’m on conference calls.

这就是为什么在进行电话会议的时候，我喜欢戴上耳机在办公室来回走动。

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Lu Xun portrays laugh of every shape and description in his fiction collections-WHOOP and PACE BACK and FORTH.

鲁迅的小说《呐喊》和《彷徨》中描写了形形色色妁笑，这些笑可以分成“否定的笑”和“肯定的笑”。

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Zebras, rhinos and elephants roam the fields, while big cats nervously pace back and forth in cages.

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