withone
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back and forth withone
backandforthwithone也可以理解成,跟一个人反反复复的.（交往,分手,交往,分手.）backandforthwithone上下（来回）摆动反复震荡
backandforthwithone也可以理解成,跟一个人反反复复的.（交往,分手,交往,分手.）backandforthwithone上下（来回）摆动反复震荡