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以外, いがい
1. excluding, except (for), apart from, other than, besides, in addition to
2. outside (a boundary, scope, etc.)
以外、除……外,不包括……,除了……之外,除此之外,此外,另外;(边界、范围等)之外
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