I looked in my mail box. there were only bills in it, a sheaf of them, and two white envelopes which I was sure contained more bills.
回到家我打开邮箱，只有一把账单，还有两个白色的信封，肯定里面装的也是账单。
The envelopes have colored dots to let you know status of your bills.
信封有圆点的颜色，让您知道您的地位的法案。
I looked in my mail box, there were only bills in it, a sheaf of them, and two white envelopes which I was sure contained more bills.
回到家我打开邮箱只有一张帐单，还有两个白色的信封，肯定里面装的也是帐单。
I looked in my mail box, there were only bills in it, a sheaf of them, and two white envelopes which I was sure contained more bills.
回到家我打开邮箱只有一张帐单，还有两个白色的信封，肯定里面装的也是帐单。
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