However, Gartner analyst Brian Prentice writes that most of the advantages of open source software is lost when one upgrades to a paid edition of an open core solution.
The community edition is open source and comes with no official support.
社区版是开源的，没有任何官方的支持。
3
To commemorate the occasion, Australian Open organisers have struck a special limited edition collector coin that was released at the Australian Open 2012 launch this morning.