小小的记事贴(把自己的工作学习计划和注意事项写在有粘性的纸上,贴在显著位置),在办公室或同学们的书包里都能经常见到。但它并不是当时计划开发的产品,而是误打误撞发明出来的。福莱是英国著名的化学工程师,每个星期都到教堂的唱诗班去。有一个星期天,他发现自己的赞美诗歌本的书签纸掉了。书签 A small note pad (writing your work plan and notes on a sticky piece of paper, in a prominent position) can be seen frequently in the office or school bag. But it was not a product planned at the time but was invented by mistake. Foley is a famous British chemical engineer, goes to the church choir every week. One Sunday, he found out that his bookmarked paper for hymns was lost. Bookmark