科学必须是世界上的一股善的力量。
The quality of an organization's systems determines the quality of its processes.
Win-win cooperation is not a slogan, but the only way for global infrastructure development.
人一定要懂得“礼”之后才能产生恭敬之心,产生恭敬之心以后才能有所尊敬,有所礼让。