现在科技飞速发展,用手机支付的人越来越多,用现金支付的人逐渐减少。但是有些时候还是需要用现金支付,比如过年给孩子压岁钱,婚丧嫁娶给人送礼等等。但由于使用频率的降低,我们对现金真伪的鉴别并不熟悉。今天就
I want to convince some clients to use MapServer and OpenLayers. Please can anyone suggest attractive websites to show off the possiblities!