永不分离：英文可译为“ Never separate ”，所以它的缩写形式为“ns”。
扩充：ASAP = as soon as possible 越快越好
RSVP = please reply 请回覆
IMHO （in my humble opinion）这是我个人浅见
ISO （in search of） 寻找
E.g. = example 举例来说
i.e. = that is， restate an idea 换言之
etc. = et cetera. = and so forth 等等
