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なければならない, なければなりません, なければいけない
1. have to do, must, should, ought to
必须,应该
ひと, ヒト, 人
1. person, someone, somebody
2. human beings, mankind, man, people, humans
3. human (Homo sapiens)
4. (other) people, others
5. character, personality, nature
6. capable person, competent person, suitable person, right person
7. adult, grown-up
8. I,...
人,某人;人,人类