If and when the implementing legislation is crafted, then Congress canvote to approve or disapprove the deal, but can’t change or amend it.疑问：查了下字典把 if and when 翻译成“如果”，那么这个和一般的 if 有何差异？
His story was near enough the truth for people to believe it.请问句中的 near enough the truth 如何理解？我的疑问是：near 受到了 enough 的修饰，说明它是形容词，而不是介词；但它后面又接了名词 the truth，这又使得它像是一个介词。这是怎么回...
However, after he got to know Hughie better, he liked him quite as much for his bright, cheerful spirits, and his generous, careless nature as for his personal charm。这句话中quite as 都是副词修饰much吗？表示同级比较的“as+副词（much）+介词短语+as+介词短语”，请...
A year and half later, my grandfather became gravely ill. When he returned from several weeks in the hospital, he wanted his bed next to the window, where he could see his beloved rosebush.from 加weeks是什么意思？还有in从医院里回来吗？
I would sincerely ask for your consideration to apply for a position at your Ph.D. program and continue my studies at your group.请问老师，我想表达，教授您可以考虑让我读您的PHD项目，这句话有语法和逻辑上的错误吗？如果是我我会写成，I would sincerely ask...
...aving repeatedly smelt the sea as a merchant sailor,I should now take it into my head to go on a whaling voyage.以上句子来自《白鲸记》第一章，请教一下老师们，这个it was that是什么结构？that是引导表语从句吗？应该如何理解？希望老师解惑，谢谢！
... and
less so with the structural differences that seem，at first glance，to constitute
such an immense gulf between them.这个句子中and less so with the structure differences... 这句中so怎么理解？
Morocco, the Arab world’s oldest monarchy, will become the fourth Arab state in as many months to establish diplomatic relations with Israel (following the UAE, Bahrain and Sudan).这里的in as many 是指the fourth 吗，说的是四个月来第四个吗？