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顧客， こきゃく， こかく

1. customer, client, patron

顾客，客户

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苦情， くじょう

1. complaint, troubles, objection, grievance

投诉、麻烦、异议、申诉

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増える， 殖える， ふえる

1. to increase, to multiply

增加

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業績悪化， ぎょうせきあっか

1. downturn

tbd

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始まり， 初まり， はじまり

1. origin, beginning, start

tbd

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かもしれない， かも知れない

1. may, might, perhaps, may be, possibly

可能，或许，也许

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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……

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の

1. indicates possessive 2. nominalizes verbs and adjectives 3. substitutes for "ga" in subordinate phrases 4. (at sentence-end, falling tone) indicates a confident conclusion 5. (at sentence-end) indicates emotional emphasis 6. (at sentence-end, risi...

句尾起强调作用；助词，表示所有关系

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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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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

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