20.pass the green channel if you have nothing to declare.

如果没有东西申报走绿色通道。

The country will also add eight certified civil-transport airports and continue to develop the green channel for agricultural products to ensure efficient transport of farm and sideline products, noted Li.

中国还将增加 8 个新颁证的民用运输机场，并继续发展农产品绿色通道，以确保农副产品的高效运输。