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によって， に因って， に依って
1. according to, by (means of), due to, because of
根据；用……(方法)；因为
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
