If the undo facility is sufficiently easy to use and understand, users won’t be bothered by it.

如果撤销工具很容易使用和理解，用户就不会受到无谓的干扰。

The novels of Holmes are not sufficiently concentrated; they show an inquisitive mind casting about in a variety of directions.

霍姆斯的那些小说都不够精练；它们显示了一颗追根问底的心，在向四方探索。

The function of the stomach is to digest food sufficiently to enable it to pass into the intestine.

胃的功能是充分消化食物,以便让其进入肠道。

※Experience more than sufficiently teaches that men govern nothing with more difficulty than their tongues .   Bendict de spinoza, Dutch philosopher   经验给我们太多的教训，告诉我们人类最难管制 的东西，莫过于自己的舌头.   荷兰哲学家   斯宾诺沙  B