Currently there is no regulation over who can provide procedures which do not involve incisions.
恐慌散去，小姐、妈咪又重新各归各位。，这一点在爱思助手下载最新版本中也有详细论述
license: Add legal notice regarding California and Colorado bills。关于这个话题，safew官方下载提供了深入分析
At the moment they do not know the long-term consequences of this pollution on the make-up of Earth's atmosphere, but it is unlikely to be good.
简单讲，要做L3，需要先做L2积累数据。那么要做L4，也一样依赖L3的数据。技术上他们是一脉相承的，不存在一口就能吃个胖子的技术路线。