他们一辈子都是圆洞里的方钉。

They remain all their lives square pegs in round holes.

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并且软膜龙骨只需用螺丝钉按一定距离均匀固定即可，安装十分方便。

And only soft keel with screws evenly and can be fixed at a certain distance, the installation is very convenient.

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但是，第一节课的快下课了，我无奈的发现，我只剩下了一个方楔子和一个圆形小钉板。

And yet, in the period between first recess and orange juice time, I had faced the bitter reality that all that was left was a square peg and a round hole.

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