You can choose to order takeout. I may not understand this, but I put the specific methods and processes below, hoping to help you.

1. Open the homepage of Meituan and select takeaway:

2. Then select the appropriate store, and click to enter:

3. Choose food after entering the store, and click checkout:

4. Enter the ordering page, first select Send Now, and then you can select the booking time below. For example, today is Friday and you don't want to eat, so book Saturday and Sunday.

5. Finally, choose to submit the order, and then enter the password to book successfully:

In this way, I successfully booked a meal on the US delegation.

If you have other methods, please leave a message in the comments section below.