free door

美 [friː dɔːr]英 [friː dɔː(r)]
  • 网络免费的;自由门
free doorfree door
  1. Men and women of the world move toward free markets through the door to prosperity .

    全世界的男男女女则经过通向繁荣的大门进入市场。

  2. The utility model can avoid that users have to make the hands free when opening the door .

    这避免使得使用者在开启门时必须使手空闲。

  3. Record labels learnt from their battles over illegal file sharing that you can 't sell content at the front door if it 's being given away free at the back door , he says .

    他表示,反对非法文件共享的斗争让唱片公司懂得,如果可以从后门免费获取内容,你就无法在前门出售。