Escaping the guest kernel requires finding a vulnerability in the Virtual Machine Monitor’s device emulation or the CPU’s virtualization features, which are rare and highly prized.
第五十一条 增值税出口退（免）税的具体操作办法，由国务院财政、税务主管部门制定。
，详情可参考快连下载安装
This story continues at The Next Web。关于这个话题，WPS下载最新地址提供了深入分析
There is reason to be optimistic though.