大家好，我是西檬之家新人，今天很高兴能和大家分享关于BDSM世界的一些心得。作为字母圈的新手，我可能和你一样对这个领域充满好奇，但又有些不知从何入手。相信我，每一步的探索都值得被谨慎对待，而安全、理智、知情同意（SSC）原则则是所有健康实践的基础。
什么是S角色？
In the letter circle, S refers to the sadist, who is responsible for taking the dominant role in BDSM relationships. Based on the Safety, Sensus, Contract, Consciousness principle, the core of S is not simply about inflicting pain or control.