RewardedAd is a one-time-use object.
This means once a rewarded ad is shown,
the object can't be used to load another ad.
To request another rewarded ad, you'll need to create a new RewardedAd object.
幹你姆咪的 現在才看到這居然只能用一次
難怪我測試的時候不管load幾次都只會顯示同一個廣告
之前寫的物件池跟白癡一樣 姆咪咧