mentality

很难改变这种'及时行乐、以后付款'的思维模式。

It's hard to change the 'play now, pay later' ___mentality.

他保守的心态常常与现代观念冲突。

His conservative ___mentality often clashes with modern ideas.

她无法理解那些浪费食物的人的心态。

She couldn't comprehend the ___mentality of those who waste food.