a list of tasks that you have to do 待办事项清单 I always have a long to-do list. 我的工作清单总是很长。 Try to make a to-do list every morning. 尝试每天早上做一个待办事项清单。 - on your to-do list
A marathon has been on my to-do list for 20 years. 跑一次马拉松是我 20 年来一直计划要做的事情。 Data backups don't always rank high on people's to-do lists. 数据备份并不总是在人们的待办事项列表上排名靠前。