和定最值公式推导过程简介：Everything you harvest belongs to you, and the college will not take a penny from you. Instead, the things you don’t need can be exchanged for other things in the college’s warehouse, such as exercises.
Everything you harvest belongs to you, and the college will not take a penny from you. Instead, the things you don’t need can be exchanged for other things in the college’s warehouse, such as exercises.
