1.mix up 混淆
People often mix me up with other actors.
人们总是把我和别的演员弄混 。
2.in place of 代替
You can use milk in place of cream in this recipe.
这道食谱你也可以用牛奶代替奶油 。
3.come down to 跟……有关
This has to do with factors which come down to being simply economic.
归根结底都是与经济方面的因素有关 。