Sustainability isn't an option; it's a necessity for survival.
在海洋保护中,跨国合作至关重要。鱼类不认识政治边界。
Ignoring isn’t the same as ignorance, you have to work at it.
Reading is faster than listening. Doing is faster than watching.
"History is not just what happened, but what people thought and felt about it."
儿童的一切教育都必须遵循一个原则,即帮助孩子身心自然的发展。