-----------------------------------
独占， どくせん
1. monopoly, monopolization, exclusivity
2. hogging, keeping to oneself
垄断，垄断化，排他性；独吞，独享、独家
-----------------------------------
反対， はんたい
1. opposition, resistance, antagonism, hostility, objection, dissent
2. reverse, opposite, inverse, contrary
反对、抵抗、对抗、敌意、异议；逆向的；相反的；相反的；对立的
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
に
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), for, with
5. by, from
6. as (i.e. in the role of)
7. per, in, for, a (e.g. "once a month")
8. and, in addition to
9. if, although
tbd
