block: Writes wait until buffer space is available. Use when you trust the producer to await writes properly.
这个框架类似苹果的 App Intents。在苹果的构思中，用户可以使唤 Siri 来操作各种 app 来实现功能，而底层实现方式就是通过 App Intents ——新一代 Siri 迟迟不能落地的前提下，App Intents 足以提供不错的效果。
。51吃瓜对此有专业解读
Enterprise – Create a custom-tailored plan by contacting the sales team.。safew官方版本下载对此有专业解读
3) What makes an NFT valuable?，推荐阅读夫子获取更多信息
What if we had something that was: