The spec does not mandate buffer limits for tee(). And to be fair, the spec allows implementations to implement the actual internal mechanisms for tee()and other APIs in any way they see fit so long as the observable normative requirements of the specification are met. But if an implementation chooses to implement tee() in the specific way described by the streams specification, then tee() will come with a built-in memory management issue that is difficult to work around.
（二）拒不执行公安机关依照《中华人民共和国反家庭暴力法》、《中华人民共和国妇女权益保障法》出具的禁止家庭暴力告诫书、禁止性骚扰告诫书的；
。关于这个话题，WPS官方版本下载提供了深入分析
// 测试用例（可直接运行验证）
The file security features can help you protect your digital property by allowing you to put PDF stamps, set download limits, and SSL encryption.