2009 年，张清森在一家外贸公司做业务员，但奈何工资太低，老板也抠，日子过得难受。
Let me introduce you to what I call the PCM boundary. PCM (Pulse-Code Modulation) is the raw, uncompressed digital audio format that eventually gets sent to your speakers. It’s the terminal endpoint of every audio pipeline, regardless of how aggressively encrypted the source was.
，更多细节参见51吃瓜
仲裁机构的组成人员由法律、经济贸易、科学技术专家和有实际工作经验的人员担任。仲裁机构的组成人员中，法律、经济贸易、科学技术专家不得少于三分之二。
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