世界文明是人类的共同财富.

World civilizations are the common wealth of mankind.

同时，也正逐渐传播到世界，成为人类的共同财富。

And it is now spreading to the rest of the world to be shared by mankind.

自然与文化遗产是祖先留给我们的宝贵资源，也是全人类的共同财富。

With the outstanding universal value, the precious natural and cultural heritages are the treasures left over by our ancestors.

他在长期办馆实践中形成的先进的办馆理念和科学的办馆方法是图书馆管理界的共同财富，应得到发扬和光大。

His scientific ideas and ways of managing library service formed in his long practice are the common wealth of the world of library management and should be carried forward nowadays.