整個旅程最好笑的是我朋友為了省錢，不想買拖鞋，而是用塑膠袋包住腳不被沙

整個旅程最好笑的是我朋友為了省錢，不想買拖鞋，而是用塑膠袋包住腳不被沙子弄髒。

結果 (英文) 1:

The funny thing about the whole journey was that my friend didn't want to buy slippers in order to save money, but wrapped his feet in plastic bags so that they were not soiled by sand.

結果 (英文) 2:

The most funny thing about the whole trip was that my friend didn't want to buy slippers in order to save money, but wrapped his feet in plastic bags and didn't get dirty by the sand.

結果 (英文) 3:

The funniest part of the whole journey was that my friend didn't want to buy slippers in order to save money. Instead, he wrapped his feet in plastic bags to prevent sand from getting dirty.