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正しい, ただしい
1. right, correct
2. proper, righteous, just, honest, truthful, lawful
对的,正确的;恰当的、公正的、公平的、诚实的、真实的、合法的
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