cancel, delete, erase 这几个英语动词意思接近，但具体含义与用法不尽相同。通过以下中英文注释和举例，可以看出它们之间的区别：
cancel [ˈkænsl] vt./vi. 意思是“取消, 撤销, 终止”，指决定不去做事先已经安排好的活动或事情 (to decide that sth that has been arranged will not now take place)，例如:
delete [dɪˈliːt] vt. 是'删除, 删掉'， 如删除书写的内容，或从电脑/手机里删除文件、照片、电话号码等 (to remove sth that has been written or printed, or that has been stored on a computer)。例如：
erase [ɪˈreɪz] vt. 是“抹去 / 擦去” (to remove from memory or existence; to wipe out digitally or magnetically recorded information; to remove by or as if by rubbing or erasing)。例如:
From “唱学英语”公众号，链接：【词义辨析】cancel, delete, erase 的用法与区别
