Profile一般常见於人型~多指侧面或脸的轮廓~
如:An image of the President's profile appears on the coin.硬币上出现的图样是总统的侧面轮廓
或者杂志上: His profile is very unusual.他的脸部轮廓十分特殊
Contour则指物件的外型轮廓，如设计或地图之类
He loved the contours of the car. 他超爱这汽车的轮廓
The map showed the contour of the coastline.地图显示了海岸线的轮廓
例子及参考源:Merriam Webster (韦氏词典)