释义
〈非正式〉回到起点，回到原处；无所进展。
双语例句
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The sales data can't be recovered. So we are back at square one.
销售数据无法恢复，所以我们回到了起点。
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Jenny had great ideas for the upcoming training conference but her budget was taken away at the last minute so she had to start back at square one.
詹妮对即将进行的培训会议有很多特别好的想法，但是她的预算在最后关头被拿掉，所以她不得不从头再来。