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没有。date back to=date from同有“追溯到”的意思，为不及物动词，不用被动语态。back to中的back是副词，强调从现在起“回溯到……”。date back to强调某事物开始的时间，一般不用被动结构，常用一般时。  date back to造句 1、Pakistan's blasphemy laws date back to the colonial era. 2、Modern climate records date back to eighteen fifty. 3、The historical relationship between the Japanese and Hainan can date back to a time long ago. 4、A lathy white scar below my left knee could date back to almost twenty years ago. 5、Koseki date back to the late 19th century and were originally intended as a means of conscripting soldiers. (责任编辑：admin) |