美国政府是一个明确的政府，仅限于特定的目标。它不像州政府，其权力更为广泛。
The Government of the United States is a definite Government, confined to specified objects. It is not like the state governments, whose powers are more general.
The future of infrastructure lies in sustainability and smart technology.
Every book is a journey, and every journey is a book.
人依靠自己的力量人才能生存,不依靠自己的力量人就不能生存。
Adaptability is the cornerstone of resilience in agriculture.
在比赛中你必须相信自己的直觉，但也要从每一个错误中学习。