n.適合性；傾向；才能
The professor is favorably impressed by the aptness to learn on the part of his students. 那位教授對學生們善于學習的能力留下良好的印象。
Chosen or expressed with aptness or propriety. 善于辭令的聰明地或恰當?shù)倪x擇詞語或表達的
