（一）应税交易的购买方为自然人；
pkg install -y openssh termux-services runit。关于这个话题，WPS官方版本下载提供了深入分析
，更多细节参见91视频
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Second, and more cleverly: he implemented a hash verification check on nozzle.js. The exact implementation could have been Subresource Integrity (SRI), a custom self-hashing routine, or a server-side nonce system, but the effect was the same. When the browser (or the application itself) loaded the script, it compared the modified file against a canonical hash and if it did not pass the check, the player would never initialise.