crosscheck
verb [ I or T ] uk/ˈkrɒs.tʃek/ /krɒsˈtʃek/ us/ˈkrɑːs.tʃek/
多方查证；交叉核对；用不同的方法核算
to make certain that information, a calculation, etc. is correct, by asking a different person or using a different method of calculation
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