The first time you wash your jeans, wash them alone. After that, it's a good idea to wash them insideout, as this is the best possible way to maintain their colour and overall look.
第一次清洗牛仔裤要单独洗，之后，最好反面清洗，因为这是保持牛仔裤本色的最好方法。
3
You should turn your jeans insideout when you wash them.