The boss wanted to make reservation for a room in a non-smoking section.
After breaking up with Mary, Tom's study took a nose dive.
3:not always be the case
Most people think that lions only come from Africa. And you would be forgiven for thinking this, because in fact most lions do come from Africa. But this hasn't always been the case.
4:not for circulation
Sorry, all of the books in this library are not for circulation.
5:not have a clue about
Do not ask the old man which key to press-he doesn't have a clue about computers.
6:not mean any offense on
You know, I don't mean any offense on these disabled people.
7:not only...but also
There are an increasing number of opportunities for young people to work for a period in Antarctica-not only as research assistants in projects like mine, but also in a wide range of junior administrative and technical positions including vacancies for map-makers.
8:not to mention
It's far too early for you to go out and play basketball, not to mention the fact that it's snowing.
needless to say
Actually,Thomas Edison didn't do the work himself but rather asked a young Scotsman in his employ to design a projection system
A:Should I be drafting the chapter two of my dissertation?
B: No, but I think you should note down its main sections.