The other two sets are projectors. These are all free and people can access more than 20 channels.

另外两个是投影电视。（公共场所电视）收费是全部免费的，可以看20多个频道。

Chinese viewers who were unable to access foreign TV channels in the 1990s came into contact with this classic drama through various channels after entering the 21st century.

1990年代无法收看国外电视频道的中国观众， 进入21世纪后通过各种渠道接触到这部经典剧集。