I prefer to receive a gift that has some thought behind it.thought为什么要用some 来修饰

I prefer to receive a gift that has some thought behind it.
thought为什么要用some 来修饰

thought是名词当作为“思想,想法”的时候是可数名词,可以用“some”来修饰
而当它作为“思考,思维”（think的过去式）时,是不可数名词

thought 意图（不可数名词）

“有一些深意”和汉语差不多，固定用法