For water marks, spray a little camera lens cleaner on the microfiber cloth.
至于水渍，在擦拭布上喷一些相机清洁剂。
It seems to get worse when an ordinary cloth is used, which tends to produce mult-coloured marks.
使用普通布块会引致多重颜色污迹，效果更差。
By wiping the dirty cloth over the chair, you've left more marks than before.
你用这块脏布擦椅子，结果上下留下了列多的脏迹。
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