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なぜなら， 何故なら
1. because, the reason is, if you want to know why
因为，原因在于，如果你想知道为什么
から
1. from (e.g. time, place, numerical quantity), since
2. from (originator), by
3. because, since
4. out of (constituent, part)
5. through (e.g. window, vestibule)
6. after, since
7. expresses sympathy or warning
从，自……；因为；被，用于……
