跨国合作对于解决全球粮食挑战至关重要。
Collaboration across borders is essential to solving global food challenges.
I'm not worried about what other people think. I just go out there and do my best.
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。
生活是一段必须经历的旅程,无论道路和住宿条件多么糟糕。