他们在这个全球竞争最激烈的市场上摸爬滚打，学会发展出复杂的商业模式（如淘宝的免费增值模式 ） ， 并建立了坚固的壁垒以保护自身业务（比如美团-点评就创建了一个终端到终端的餐饮手机app，就连送餐服务也一并涵盖在内了 ） 。
They fought like gladiators in the world’s most competitive market, learned to develop sophisticated business models (such as Taobao’s freemium model), and built impregnable moats to protect their businesses (for example, Meituan-Dianping created an end-to-end food app, including delivery).