前几天问了相同的问题，官方回复：
We rely on the retailers to report transactions back to us before we post
them in your account. It will often take retailers a few days or even up to
30 days after an order has shipped before they report the transaction back
to us. Once the automatic processing has occurred you will then see your
purchase listed in your Transactions.
If anything older than 30 days does not show in your transaction list then
please send us the complete email receipt with payment method included s
