1.拼三张主图，参考链接：http://www.ebay.com/itm/Women-Long-Sleeve-Sweatshirt-Crew-Neck-Pullover-Blouse-Shirt-Sweater-Outwear-/361001149200?pt=US_Womens_Sweats_Hoodies&var=&hash=item540d586310
2.ebay平台图片上加水印；