英语-语法 词汇-《万全英语资料》[爽歪了]范文：Some of us always spend Sundays aimlessly. We can seldom derive profits from the valuable hours (time) of Sundays. This is indeed a great pity. Though Sundays are set aside as a day for rest, we must make good use of them.

[书]英语-语法 词汇-《万全英语资料》[爽歪了]