translation.en: And there's very illegal hustles, which you smuggle in, you get smuggled in, drugs, pornography, cell phones, and just as in the outer world, there's a risk-reward tradeoff, so the riskier the enterprise, the more profitable it can potentially be.
translation.zh: 也有违规情节非常严重的买卖：从外面偷运 或者请人偷运毒品、色情制品、 手机，和监狱外的商业世界一样 监狱里存在着风险收益的平衡，所以一项生意风险越大 它所能带来的利润可能也越高。