（二）业务之间具有明显的主附关系。主要业务居于主体地位，体现交易的实质和目的；附属业务是主要业务的必要补充，并以主要业务的发生为前提。
习题链接：LeetCode 739. 每日温度
Business: $1321/month。safew官方版本下载对此有专业解读
OpenAI would retain control over how technical safeguards are implemented and which models are deployed and where, and would limit deployment to cloud environments rather than “edge systems.” (In a military context, edge systems are a category that could include aircraft and drones.) In what would be a major concession, Altman told employees that the government said it is willing to include OpenAI’s named “red lines” in the contract, such as not using AI to power autonomous weapons, conduct domestic mass surveillance, or engage in critical decision-making.
，更多细节参见爱思助手下载最新版本
Фото: Полина Дерр。关于这个话题，夫子提供了深入分析
2月13日傍晚，在上海科技馆附近，我们乘坐一辆无人驾驶的出租车。南方周末记者 黄思卓/摄