在展览制作中没有中立的空间。
Write a program as carefully as you write a letter.
可持续发展不是成本中心,而是对我们未来的投资。
You don’t need a weatherman to know which way the wind blows.
I don't know. Sometimes when I feel about to cry, it often evolves into an impulse to almost laugh. That must have been how I really felt at the time, because I laughed, almost giggled.
Quality is our lifeline and we must never compromise.
实际发展水平与潜在发展水平之间的距离,前者由独立解决问题决定,后者由在成人指导下或与更有能力的同伴合作解决问题决定。