遍及全国的销售服务网络，保证按客户要求安全及时的交付产品。
The national-wide sales service network can ensure the timely and safe delivery according to the customers requirements.
更新通常涉及到安全问题，及时完成是非常重要的。
Often updates relate to security issues and are important to perform.
优点：非常行之有效的，稳定可靠；免费下载和使用；配备了5年的免费安全更新，及时发布和安全更新。
Pros: Extremely well-tested, stable and reliable; free to download and use; comes with 5-years of free security updates; prompt releases and security updates.
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