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お父さん， おとうさん， おとっさん
1. father, dad, papa, pa, pop, daddy, dada
2. husband
3. you (of an elderly person older than the speaker), he, him
tbd
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
