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行う， 行なう， おこなう
1. to perform, to do, to conduct oneself, to carry out
进行，施行，实施，召开(记者会等)
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
