Terms of Use  Part A:  New version - effective as of  April 30, 2021   PLEASE READ THESE TERMS AND CONDITIONS CAREFULLY!   Welcome to  www.alibaba.com  and  www.aliexpress.com !  These Terms of Use describe the terms and conditions applicable to your access and use of the websites, mobile sites, mobile applications and other portals owned, operated, branded or made available by Alibaba.com (defined below) from time to time which relate to (a) the Alibaba e-commerce platform including but not limited to the web and mobile-optimized versions of the websites identified by the uniform resource locator “ www.alibaba.com”  and the  mobile applications of the Alibaba.com e-commerce platform  (the “Alibaba Sites”); and (b) the AliExpress e-commerce platform including but not limited to the web and mobile-optimized versions of the websites identified by the uniform resource locators “www.aliexpress.com”, “www.aliexpress.ru” and “ww...