你可以试试不填必需的栏目或者在时间栏里填错误的时间，你会发现当你要保存时会出现错误信息，如图6 - 5所示。

Try leaving a required field blank or putting an invalid date into a date field, and you'll see those errors when you try to save, as shown in Figure 6-5.

youdao

你可以试试不填必需的栏目或者在时间栏里填错误的时间，你会发现当你要保存时会出现错误信息，如图6 - 5所示。

Try leaving a required field blank or putting an invalid date into a date field, and you'll see those errors when you try to save, as shown in Figure 6-5.

youdao