they have an incentive to use their innovations to improve their own services, rather than renting or selling them to rivals,这里renting or rolling 前面是 省略了 they are 吗?有这种用法吗?
When Bruce Braley, a little-known Iowa Democrat, dismissed Senator Charles Grassley as “a farmer from Iowa who never went to law school” 在此句中dismissed as为何翻译成“称……是”?
This week,however,crisper has caused more unease than optimism,because of claims by a Chinese scientist that he edited the genomes of twin girls when they were embryos,as part of ivf treatment.这里as介词短语是什么用法?非限制性后置定语?
I took a seat at the end of the hearthstone opposite that towards which my landlord advanced.(呼啸山庄:https://m.ximalaya.com/waiyu/20693653/154509071)请问这句话符合现代语法吗?Which指的是什么?
To my surprise, the game was invented by a middle school student of_______.A. fifteen-year-old B. fifteen C. fifteen-year age D. age of fifteen老师,选项A和C哪里有问题呢?