1.Germany may put a speed limit on its world famous autobahn network of highways.
autobahn (德國)高速公路
I am so used to driving on the autobahn.
我太習慣于開在德國的高速公路上了 。
2.I don't think the suggestion of a speed limit is practical.
practical 實際的
There are some obvious practical applications of the research.
這項研究有一些明顯的實際用途 。