名词侦查; （正式的）调查，研究; 科学研究; 学术研究
名词
1. The police investigation will take weeks.
警察的调查将进行几个星期。
2. The investigation into the accident was carried out by two policemen.
两名警察对这一事故展开调查。
No and Not-(不是和不)
A：Hi, Mary. How've things been?
你好，玛丽。你过得怎样？
B：I haven't heard anything about your English investigation for weeks.What're you studying now?
我有好几个星期没听到有关你研究英语的情况了。 你正在学习什么？
A：Now it's negative-"no"and"not", to be specific. There's nothing particularily unusual about "no"and"not", is there?
现在正在学否定词--"No"和"Not"。对于"No"和"Not"没有什么特别要注意的地方，是吗？
investigation
B：Not a lot, really.
的确没有什么。
A：The main thing seems to be that "not" is used with verbs, and "no" everywhere else.
看来主要点在于"Not"和动词连用，而在其他地方用"No"。
