现代国家的特点是其能够有效地集中和使用权力。
The interplay between topology and quantum mechanics is a rich field of study that continues to surprise us with its depth and complexity.
可持续性不是一种趋势,而是负责任商业的基础。
房子是居住的机器。
The heart of a mother is a deep abyss at the bottom of which you will always find forgiveness.