（参考答案）
These years' practice has proved that China's economic development is positive contribution to global economic development, in particular, that of the Asian-Pacific Region.

China maintains developing economic and trade relations with all countries on the basis of equality and mutual benefits, and is willing to enhance cooperation and common development with them.

With the advent of the new / 21st century, the international situation has undergone profound changes. Unstable factors / elements have grown / increased and the world economic development is confronted with new challenges.

Nevertheless, it is the common wish of people all over the world to maintain peace and promote development. Let us work hand in hand /join hands and continue to advance / promote the noble cause of peace and development.