profound
1.Before you implement your plans,you must have a profound knowledge of markets there.
在你实施计划之前.你必须深入了解那里的市场.
2.The Chinese civilization is extensive and profound. The Chinese language boasts as one of the most beautiful and complicated language in the world .
中国文化博大精深,汉语是世界上最美丽最复杂的语言之一。



