1.Germany may put a speed limit on its world famous autobahn network of highways.
autobahn (德国)高速公路
I am so used to driving on the autobahn.
我太习惯于开在德国的高速公路上了 。
2.I don't think the suggestion of a speed limit is practical.
practical 实际的
There are some obvious practical applications of the research.
这项研究有一些明显的实际用途 。