飞艇7码滚雪球走势技巧简介：The bronze treasure chest contains a book, and the silver treasure chest contains a book, but the book in the bronze treasure chest is yellow, and the book in the silver treasure chest is blue.
The bronze treasure chest contains a book, and the silver treasure chest contains a book, but the book in the bronze treasure chest is yellow, and the book in the silver treasure chest is blue.
