《红宝书》考研英语词汇
每日一句
Now the nation’s top patent court appears completely ready to scale back on business-method patents, which have been controversial ever since they were first authorized 10 years ago.
词汇突破
patent [ˈpæt(ə)nt; ˈpeɪtnt]
n. 专利权；专利证；专利品
adj. 专利的；特许生产或销售的；显著的；公开的；（脉管等）开放的
v. 取得……的专利权；授予专利
controversial [ˌkɒntrəˈvɜːʃ(ə)l]
adj. 有争议的；有争论
结构分析
句子的主干是 Now the nation's top patent court appears completely ready to scale back on business-method patents，which 引导的非限制性定语从句修饰先行词 business-method patents，该从句有一个以 ever since 引导的时间状语从句。
参考译文
如今，美国最高专利法院似乎已经完全准备好削减商业方法专利，这些专利自10年前首次获得授权以来一直存在争议。
