the ability to sort out simple, effective solutions to practical problems找出简单有效的方法解决实际问题的能力

the solution to crossword No. 19721第19721个纵横填字游戏的答案

First, we need a clear statement of the problems requiring solution.首先, 我们需要清楚地描述一下待解决问题。

Vitamins in solution are more affected than those in solid foods.溶解状态的维生素比固体食物中的维生素更不稳定。