在20世纪30年代初，大多数影院都安装了新的音响系统。
In the early 1930s, most theater owners installed new sound systems.
1979年11月初，英国的学生们能够看到一个名为《猴子》的新电视节目。
Earlier in November 1979, pupils in England were able to watch a new TV program called Monkey.
但是本世纪初，有两种新的手段可供使用，所以情况原本应该是会好一些的。
But earlier this decade, two new tools became available, so things might have been expected to get better.
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