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を
1. indicates direct object of action
2. indicates subject of causative expression
3. indicates an area traversed
4. indicates time (period) over which action takes place
5. indicates point of departure or separation of action
6. indicates object of d...
表示动作的直接对象；表示经过的场所；表示离开或分开的点
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収める， 納める， おさめる
1. to put (into), to put away (in), to put back (in), to keep (in), to store (in), to restore (to its place)
2. to include (in an anthology, catalogue, etc.), to contain, to publish (in), to capture (on film)
3. to achieve (results, success, etc.), t...
放入(其中)、存放(于某处)、放回(原处)、保存(于某处)、储存(于某处)、恢复(至原位)；包括(在选集、目录等中)，包含，出版，拍摄(在胶片上)；获得(成果、成功等)，获取，得到，赢得，赚取(利润)；接受(礼物或金钱)；保持(在一定范围)；向神龛、神明等供奉，进行献祭，进行奉献；使屈服、压制、解决；完成；结尾；收尾；结束(某事)；支付(费用、税款等)、交付、供应
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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
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
