n.方向性；定向性
She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
He has chosen the most direct route. 他选取了最直的路线。
She's very direct, believes in speaking her mind. 她为人直率，喜欢有什么说什么。
Can you direct me to the shoe department? 请告诉我卖鞋部在哪里。
Be there a direct train for Beijing to Nanning? 从北京到南宁有直达车吗？
