例句與造句

1. It's just routine channel maintenance, operators say.
2. Since 1969 the 301st has trained in the Air Force Reserve to fly global strategic airlift missions, performing routine channel flights, contingency and exercises.
3. That policy changed when the United States, in an agreement with Cuba to stop the flow of refugees, began requiring Cubans to return home and apply for immigration through routine channels.
4. Despite the fact that he is now the highest-ranking security official in Russia, he remains suspicious enough of routine channels to use bodyguards taken from his loyal former troops in the 14th army.
5. It's difficult to find routine channel in a sentence. 用routine channel造句挺難的