看看就知道了，不信你就看看！看看就 知道了，不信你就看看！看看就 知道了，不信你就看看！看看就 知道了，不信你就看看！看看就 知道了，不信你就看看！看看就知道了，不信你就看看！-see in the know, you look at the letter! See, it is a letter you do not see ! See, it is a letter you do not see ! See, it is a letter you do not see ! See, it i