Because learning recently do not know this book is the schoolbook of the university necessary buy.

因为最近正在学习，不知道这本书是不是大学的教科书，有没有必要买。

youdao

Because learning recently, do not know this book is the schoolbook of the university, necessary buy.

因为最近正在学习，不知道这本书是不是大学的教科书，有没有必要买。

youdao

A person shouldn't buy insurance protection that really isn't necessary.

一个人不应该买不必要的保险。

youdao

A young man who had the money to buy the supplies and the necessary tickets to travel to Alaska usually landed at the little port of Skagway.

VOA: special.2009.02.04

By selling on strength you have the cash necessary to buy on weakness.

FORBES: Overvalued Fundamentals And Overbought Technicals Means It's Time To Look To Reduce Market Exposures

But ask fliers directly about acceptable alternatives to those measures, and it seems they may be willing to give up much less: not even the five minutes necessary to buy an overpriced burrito at their gate.

FORBES: Travelers Fear TSA's Radiation And Groping--Almost As Much As Losing Five Minutes

We can't buy necessary medication because prices go up by 70% a day.

BBC: Iran police clash with protesters over currency crisis