Collaboration across borders is essential to solving global food security challenges.
至今一切社会的历史都是阶级斗争的历史,即剥削阶级和被剥削阶级之间、统治阶级和被压迫阶级之间斗争的历史。
The future of healthcare lies in innovation and collaboration.
人生就是一场冒险,别怕跌倒。