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にとって， に取って
1. to, for, from the standpoint of, as far as ... is concerned
tbd
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覚える， 憶える， おぼえる
1. to memorize, to memorise, to commit to memory, to learn by heart, to bear in mind, to remember
2. to learn, to pick up, to acquire
3. to feel
4. to think, to regard
熟记；学习，学会，获得；感受；思考，看待
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
