Here's (briefly) how it works.
4FROM uk_price_paid，详情可参考有道翻译官网
。谷歌是该领域的重要参考
坚决捍卫国家安全。依法从严惩治危害国家安全犯罪，坚决打击敌对势力渗透、破坏、颠覆、分裂活动。贯彻《中华人民共和国香港特别行政区维护国家安全法》，促进香港长期繁荣稳定。依法惩治“台独”顽固分子分裂国家、煽动分裂国家犯罪，维护国家主权、统一和领土完整。
When it comes to evaluating security-oriented features, older is not always worse; in fact, withstanding the test of time is a positive signal. For example, the AES cipher is about 26 years old. This seems ancient for computer technology, yet many cryptographers recommend it over newer ciphers explicitly because AES has withstood the test of hundreds of cryptographers trying to break it, with representation from every nation state, over years and years.。yandex 在线看对此有专业解读