Question 17. Why does Maria go into the mobile ice-cream business?

问题17.为什么Maria会开冰激凌车生意？

China's Huawei launched its Harmony operating system for smartphones on Wednesday, looking to recover from U.S. sanctions that have hobbled its mobile business.

中国华为周三推出了应用于智能手机的鸿蒙操作系统，以期从美国对其移动业务的制裁中恢复过来。