But ,mum,just on the contrary,it only took me minutes.

But ,mum,just on the contrary,it only took me minutes.
But ,mum,just on the contrary,it only took me minutes.

But ,mum,just on the contrary,it only took me minutes.
但是,妈妈,正好相反,它只花费我几分钟的时间

但是，妈妈，相反的，这会花费我很多时间。