go to the expense of

Why go to the expense of the finer place when the cheaper Hunan place would answer just as well?

既然湖南餐馆便宜，为什么要去那些贵价地方呢？

It's stupid to go to the expense of taking music lessons if you never practise.

花钱上音乐课而从不练习是很愚蠢的。

Some employers go to the expense of offering classes to improve workers' English.

有些雇主花钱开培训课来提高工人的英语水平。