每日口說挑戰 在無形中砸大錢？免費遊戲如何賺錢的秘密 How Free Games Are Designed to Make Money

今日挑戰句子

The first thing these games do is set up a virtual currency so that it doesn't feel like you're spending real currency, even though you are.

這些遊戲所做的第一件事就是設定虛擬貨幣，這樣你就不會感覺自己在花真實貨幣，儘管你確實在花。