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常に， つねに

1. always, constantly

总是，一直

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である

1. be, is

是、=です、=だ

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とは限らない， とはかぎらない

1. not necessarily so, is not always true

tbd

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が

1. indicates the subject of a sentence 2. indicates possession 3. but, however, (and) yet, though, although, while 4. and 5. used after an introductory remark or explanation 6. regardless of ..., whether ... (or not), no matter ... 7. indicates a des...

tbd

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