（四）怀孕或者哺乳自己不满一周岁婴儿的。
only in cases where the guess is small:
，推荐阅读爱思助手下载最新版本获取更多信息
How this addresses the real-world failures from earlier，推荐阅读爱思助手下载最新版本获取更多信息
The file security features can help you protect your digital property by allowing you to put PDF stamps, set download limits, and SSL encryption.