A gamification strategy that is not sufficiently thought through or well tailored to its players may engage people for a little while, but it will not motivate people in the long term.
2016年12月四级真题（第三套）阅读 Section B
Reward all those involved in the debate sufficiently when the goals are reached.
2015年12月四级真题（第二套）阅读 Section C
英语六级真题
Moreover, non-participation by nations, if sufficiently widespread, can undermine the political will of participating countries to act.
2017年6月六级真题（第一套）阅读 Section B
柯林斯高阶英汉双解学习词典释义
ADJ
足够的;充足的
If something is sufficient for a particular purpose, there is enough of it for the purpose.