1. 对比contrast to和compared with/to
2. 矛盾controversial和paradox
3. 惯例conventional和routine
4. 强调和同情emphasize、sympathy和empathy
5. 合作collaborate和cooperate、co-work
6. 字面上、实际上和名义上 literal和virtual、nominal
7. 自由和文学 liberty和liberature
8.现实和虚拟 reality和virtual world
9.期望 prospect、anticipate、desire、expect
8.发生 take place、happen、occur
9.概要和恢复：resume，假设和担任：assume

10.相反 in contrary和be opposite to

我来提一个：casual、casaul