The core of Pinduoduo is "group buying," allowing users to participate in shopping through social means.
拼多多的核心是“拼”,通过社交的方式让用户参与到购物中来。
海洋渔业的未来在于平衡生态保护与经济发展。
A good sentence should have a kind of tension in it.
Sustainability is not an option; it's a necessity for the future of farming.