You need three things to make this work. The PHP parser (CGI or server module), a web server and a web browser.

要做此事，需要三件东西：PHP解析器(CGI或者服务器数据包)，网页服务器，网页浏览器。

youdao

My father was fond of saying you need three things in life - a good doctor , a forgiving priest, and a clever accountant.

我老爸总爱说人这辈子需要三种人：一个好医生，一个宽厚的牧师，一个聪明的会计。

youdao

As is the case with any wireless service, you need three things to get access: a network, a device for connecting and a service plan.

同一切无线服务一样，你需要三件东西来完成接入：网络，接入设备和服务计划。

youdao

First, before you even begin a Facebook presence for your business, you need three things, says Ramon Ray, founder of SmallBizTechnology.com and author of The Facebook Guide to Small Business Marketing.

FORBES: How To Make Facebook Work For Your Business

To understand why, you need to understand three things about U.S. nuclear strategy.

FORBES: Nuclear Weapons: How Few Is Too Few?

The reason I suggest listing the three things you NEED is to aid in the negotiation process.

FORBES: Negotiating An Employment Agreement