keep a time diary

The best thing to do is keep a food diary noting the food you eat, the time you eat it, what you were doing afterward, and whether you had any subsequent symptoms.

最好的办法是制定食物“日记”来记录吃了些什么，什么时候吃的，吃了之后做了些什么，以及是否有后续症状。

This is my first time to keep a diary in English.

这是我第一次写日记的英文。

Learn to keep a detailed diary, listing deadlines and setting a schedule for your work, to ensure it is all done with time to spare.

学习记录非常详细的日记，列出最后期限，制作出工作的日程表，确保工作完成后还有剩余的时间。