In a suitable environment, young children develop a skill and accuracy in their work, which is very gratifying to us.
在适宜的环境里，幼儿在工作中发展了一种技能和精确性，那是使我们十分欣慰的。
Innovation is not just about technology; it's about changing the way people think and act.
真正的可持续性是与自然的和谐。
I think that the thing that makes mathematics worthwhile is the fact that it has this incredible structure that you can explore and discover.
历史不是机械的，因为人们有自由去改变它。