Language Point 9
A decade of enquiry...(Para. 4)
enquiry: n. a close examination of a matter in a search for information or truth During the enquiry, it was discovered that her death had not been an accident.
在调查中,人们发现她并非死于意外事故。
The police enquiry into the death of Mr. Smith was not a success; they found no useful facts.
警方对于史密斯先生死因的调查并不成功, 没有发现有价值的情况。