例句與造句

1. "I believe the main reasons we have to continue racial preferences for blacks are, first, because this country has a special obligation to blacks that has not been fully discharged, " he wrote, " and, second, because strict application of the principle of qualification would send a message of despair to many blacks, a message that the nation is indifferent to their difficulties and problems ."
2. It's difficult to find principle of qualification in a sentence. 用principle of qualification造句挺難的