In the late-2000s it experienced a boom and bust cycle in America and, to a lesser extent, Europe.老师您好，请问插入语to a lesser extent里的to能否去掉，它的作用是啥？感觉它和文言文里的之很像，简短而又难懂。谢谢！
...级下册第77页）有这样两个句子：After dinner, I
can't relax either. / My father can't speak English. My mother can't (speak it)
, either. 在前一个句子的either前面没有用逗号，而在后一个句子的either前面有逗号，为什么？谢谢！
...候一点思路都没有 求老师分析！3.Most of the people____to the conference were experts on Chinese medicine.A.invited B.being invited C.having been invited D.to be invited 选A 可C为啥不行 老师说太长了不做后置定语我觉得有些牵强4.T...
A center of heavy industry in China since the 1930s, and the spearhead of the Chinese central government's Northeast Area Revitalization Plan, the city has been diversifying its industry.请问老师，这句话的句法成分怎么划分？
The administration was in essence asserting that because it didn't want to carry out Congress's immigration wishes, no state should be allowed to do so either.【我的疑问】"no state should be allowed to do so either"这个句子应该如何翻译才妥当？谢谢老师！
It tells the story of a young guy discovering, not without some tears along the way, the importance of strength of character, of standing up for what is right. 请老师分析句子结构，各部分所充当的成分。(逗号的为何如此多？)请老师翻译此单句。谢谢老师！