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ほとんど， 殆ど， 殆んど， 幾ど
1. almost, nearly, mostly, practically, virtually, basically, just about, all but
2. hardly, barely, scarcely, little
3. large majority, large proportion, greater part, most (of), almost all (of)
绝大部分，几乎全部；几乎，基本上；几乎(不)
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勉強， べんきょう
1. study
2. diligence, working hard
3. experience, lesson (for the future)
4. discount, price reduction
学习
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
