Railroads justify rate discrimination against captive shippers on the grounds that in the long run it reduces everyone's cost.请问老师，that引导的是什么从句呢？是和on the grounds在一起用吗？
A huge snowstorm hit on
February 1. A musher named Kaasen had to brave this storm. At one point, huge
piles of snow blocked his way. He had to leave the trail（雪橇痕迹）to get around
them. Conditions were so bad that it was impossible for him to find the trail again.
The only hope was Balto, ...
On the other hand, your chances of success are much higher with a wide circle of friends who are willing to cooperate with you to provide information and resources.请问红色部分是with复合结构吗？如果不是的话，该怎么划分结构？
牛津英语用法指南第一版130.2条：
It could rain later on this evening. 晚上以后可能下雨。
然而第三版却改为：
It could rain later this evening, perhaps. 今天晚上晚些时候也许会下雨。（122.8条）
第一版用的是：later on this evening ...
...hick hair; and when she dried his hands,
even in his weakness they were strong and sinewy. His fingers were long; they
were the capable, fashioning fingers of the artist; and I know not what troubling thoughts they excited in her. He slept
very quietly, without a movement, so that he might have been...
...在 VOA special English 的新闻里看到这么几句话：【Vietnam has one of the worst records on media freedom. Reporters Without Borders says it is the fifth least free country out of the group's list of 180 nations.越南是媒体自由记录最差的国家之一。无国界记者组织称...
...道选择题，正确选项当然是can’t be，而不是mustn’t be：There's
someone outside, but it can't be / mustn't be Tony. He's in New York.以下是英国大学英语教程English Grammar: A
University Course对must的非推测性用法和推测性用法的肯定和否定形式以及意...