There are many methods for protecting computer systems, networks and data.

保护计算机系统、网络和数据的方法有很多。

Getting a baseline understanding of your hearing is essential to protecting your auditory system.

基本了解您的听力对于保护您的听觉系统至关重要。

Studies have shown that a full night's sleep is one of the best defenses in protecting your immune system.

研究表明，充足的睡眠是保护免疫系统的最佳防御措施之一。