Based on recent researches, distance learning slowly proves as valuable as the traditional campus-based form.该句中 based on 这里是独立成分吗？还是状语从句的省略？如果是状语从句的省略？如何还原？
Packaged foods are manufactured outside the home for purchase. This can be as simple as a butcher preparing meat, or as complex as a modern international food industry.其中的 as simple as 第一个 as 做副词，第二个 as 做连词，做比较状语后面 as complex as 相同？as s...
When invited for a meal, you might ask, "Can I bring anything?" Unless it's a potluck, when/where everyone brings a dish, the host will probably respond, "No, just yourself." potluck作先行词，关系词用 where 还是 when？
...，从句的时态要后退，下面的句子
我不能理解：I checked the orders instantly. That’s when
we realized we made a mistake.犯错误这个动作发生在 realized 之前，为什么不用过去完成时？我了解主句是said，told 那种，但是像 realized 这种，如何...
take+sb/sth + adv./prep. We'll take the matter forward at our next meetingcarry something + adv./prep. I never carry much money on me.请问老师加粗部分是作状语还是补语？是结合具体句子充当成分不同还是这个结构里充当固定成分？
...非网上的人打字打错了）：I don’t like your tone young woman, in fact I find it highly objectionable. 小姑娘，我不喜欢你说话的口气，实际上我觉得这让人非常不快。我有两个疑问：(1) 可以用 young woman 称呼人吗？好像很少见过！(2) 从翻译来...
... 7 days. （这里的of 7 days做后置定语，表示同位关系）the last 90 days of historical data. 近90天的历史数据 是否也是historical data 做后置定语？ 3 days of moments 朋友圈仅三天可见，这个是否也是of moments做后置定语？为...
...rsonal data. Information gathered by companies — most prominently Google and Facebook — trades at lightning speed on advertising markets that most users do not even know exist. 原文第一段http://m.kekenet.com/read/201705/507695.shtml 这句话最后，exist前面是不是少了不定式符...