I don't mind helping to carry these things to your home.(besides),the walk will do me good.
问题描述：
I don't mind helping to carry these things to your home.(besides),the walk will do me good.
I don't mind helping to carry these things to your home.( besides),the walk will do me good.为什么不能用 instead（instead含“相反”之意）在句中也可以说得通呀?
答
在这里并不是要表达“相反”之意,不能用instead,而是要表达而且,另外的意思.
我不介意帮你拿这些东西,而且,步行对我也有益.