1·Note: The product may discolour during storage.
注：产品在存放期间可能变色。
2·They can discolour or damage your jewellery mountings.
你可以变色或损坏珠宝挂。
3·Answer: Brightening agent can make some clothings that have color wash the more bright-colored, white clothing the more, maintain its whiteness after washing and do not discolour.
答：增艳剂能使一些有颜色的衣物越洗越鲜艳，白色的衣物洗后保持其白度而不变色。
4·They are turquoise, because it can discolour;
他们是绿松石，因为它可以变色；