如果你是用你的 PayPal Account 給錢的話,
Login 進你的 PayPal 直接取消 subscription

不用寫信給他們啦
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If you would like to cancel this subscription, log in to your PayPal account and go to the "History" subtab of the "My Account" tab. Choose "Subscriptions" from the pull-down "Show" menu and press the "Submit" button. Choose this subscription, and click on its "Details" link. You will be taken to a Transaction Details page from which you may cancel your subscription. Cancelling your subscription will immediately stop all future scheduled payments for this subscription.
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