Meal allowance should be 32USD/day and you would need to fill that out in your TR, and you don't need to attach any receipt for it, it will just pay it to you 翻译

餐费补贴应为每天32美元，您需要在您的差旅报销单上填写该金额，不需要附上任何收据，只需支付给您。

The meal allowance should be $32 per day, and you need to fill out this amount multiplied by the number of days you were on a business trip on your travel reimbursement form. You do not need to attach any receipts as this will be paid directly to you.