最强大的生态系统是那些具有多样性的生态系统。
The strongest ecosystems are those with diversity.
Small changes can have big effects when they help people break out of the poverty trap.
Fiction is a lie covering up a deep truth.
"Reading is the key to unlocking the world."
乳制品的未来取决于我们适应不断变化的消费者需求的能力。