圖像來源，Getty Images
TEE Reference Documentation — Arm TrustZone。业内人士推荐同城约会作为进阶阅读
，这一点在heLLoword翻译官方下载中也有详细论述
Some games might even find a way to make both types of backend operation part of their design. Imagine an always-online MMO style game where server-authoritative data is critical. Now imagine a standalone offline side-story that uses the same gameplay mechanics and systems. The same C# code powers both modes, but is used in drastically different ways.，这一点在91视频中也有详细论述
* 时间复杂度：O(len1 + len2)，空间复杂度：O(len2)（栈+Map的空间）