1·Our relationship is one of friendly cooperation, equality and mutual complementarity and therefore, we should understand and learn from each other, and live in harmony.
我们之间的关系应该是一种友好合作，平等互补的关系。我们应该相互理解，相互学习，和睦共处。
2·China and Africa enjoy strong economic mutual-complementarity. Africa has abundant natural resources. China has mature technology and processing and manufacturing capabilities.
中国与非洲经济互补性强，非洲有丰富的自然资源，中国有大量成熟技术和较强的加工制造能力。
3·Basing on the whole mutual exclusion between them and immense success in practice, complementarity is the best choice.
基于二者整体的互斥性，且为在实践中取得巨大成功的知识体系，互补是最佳选择。
4·For the purpose of equality, mutual benefit, complementarity, we are pleased to invite you to visit.
出于平等互利，互通有无的目的，我们高兴的邀请各位来我公司考察。