China's use of giant pandas as diplomatic gifts has a long history dating at least as far back as the seventh century Tang Dynasty.
中国用大熊猫作为外交礼物的历史源远流长，至少可追溯至公元七世纪，当时中国正处于唐朝时期。

For over half a century, China has used its pandas to help foster relationships with other countries.
半个多世纪以来，中国一直使用大熊猫来帮助发展和其他国家的关系。