marriage penalty(x,y)=T′(x+y)−(T(x)+T(y))\textsf{marriage penalty}(x, y) = T'(x + y) - (T(x) + T(y))marriage penalty(x,y)=T′(x+y)−(T(x)+T(y))
FT Edit: Access on iOS and web
，这一点在heLLoword翻译官方下载中也有详细论述
Amy froze her eggs a few years ago and was told she would need IVF.
这种消费心理的差异，本质上是为过程付费与为结果买单的区别。欧美游客愿意为船上的时间付钱，而中国游客更倾向于为下了船看到了什么而付钱。