1、This one is pure common sense. It's a security measure as well as an indicator of high regard.
這一條純屬常識，它是受到高度重視的安全措施或指示器。

2、This security measure will without doubt increase Palestinian anger.
這種安全措施無疑將更加引起巴勒斯坦人的憤怒。

3、So, this is a security measure on the part of Twitter.
所以，這是Twitter部分上的一個安全措施。

4、Sealing also provides a security measure to detect code tampering.
密封還提供了防止代碼篡改的手段。