bǐrú "zuìzhōng quèrèn: zhōuliù xiàwǔ liǎng diǎn, túshūguǎn běimén jíhé"比如“最终确认:周六下午两点,图书馆北门集合”。For example: "Final confirmation: Saturday afternoon at 2 PM, meet at the north gate of the library."