There's no such thing as bad weather, just bad clothing, Shaw said. At a minimum, buy a moisture-wicking base layer that will help keep you warm and dry. 这句话的just bad clothing是不是省略了there is?
no...just...算是是关联词组。是否定前者，肯定后者之意。你添加there is 属于画蛇添足。第一句意思是:没有天气不好这回事，只是衣服衣服不行。
