There are many versions of Office for Mac. The activation of the 365 account bought on Taobao is generally around 30 yuan. Generally, the better ones can be used for 4-5 years, which is several hundred yuan more expensive than that in official website.
Microsoft claims that Office20 10 is by far the simplest and most general office, and it occupies little system resources, so it is easier to use, faster and more stable than 2007.