1個(gè)回答
Irene助教
2017-10-17 10:48
該回答已被題主采納
同學(xué)你好。
C錯(cuò)誤?，F(xiàn)在的classification system的缺點(diǎn)就是 the narrowest classification unit generally cannot be assumed to constitute its peer group.
所以commercial classification system只能作為starting point，不能視作最佳的絕對的方法。
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