You can also posit strength and joy , or you negate abuse and addiction .
你也可以喜欢力量和欢乐，或者你否定不良的习惯。
One weak link in the chain can negate many of the advantages that innovation offers .
一个薄弱的环节就有可能否定掉改革所能带来的大部分好处。
Sure , social media makes communication and promotions easier in some ways , but it doesn 't negate the need for professional public relations experts .
当然，社交媒体使沟通和宣传活动在某些方面变得更加容易，但它并没有否定对专业公关人员的需求。
Sure , you can opt for the salad - but the calories you get from the salad dressing can pretty much negate any vitamins you get from the vegetables .
当然，你可以选择沙拉，但是你从沙拉中得到的卡路里，穿的衣服会完全否定你从蔬菜中得到的维生素。
This does not negate the importance of charity : it is crucial to a mature society .
