Collecting toll is mainly economic source after freeway operation and is important factor to affect effective management.
通行费是高速公路运营后重要的财政收入，因而也是影响有效经营的重要因素。
Collecting toll is mainly economic source after freeway operation and is important factor to affect effective management.
通行费是高速公路运营后重要的财政收入，因而也是影响有效经营的重要因素。
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