上下求索

In spite of thousands of years of endeavour, little progress has been made in the scientific understanding of dreams.

尽管上下求索数千年，但人们对梦的科学认识仍然进展甚微。

´Although the road is endless and faraway, I still want to pursue the truth in the world´, the tireless pursuit is an endless motivation for Zou Defeng.

“路漫漫兮，吾将上下求索”，孜孜不倦的追求，是邹德凤源源不断的工作动力。

Americans may seek to reinvent the United States, and thrive in a new world that is more complex but also laden with opportunity.

美国人应上下求索，重塑美国。一个新的世界，正在蓬勃发展，它里面，既纷繁复杂，又充满机遇。

The best writers in this field bring to it an indefatigable30 curiosity, a fierce intelligence that enables them to interpret, and a generous heart that allows them to connect.

优秀的游记作家仍在孜孜不倦地上下求索，非凡的才智使他们善于诠释，宽大的胸怀使他们善于沟通。

There are numerous curious people live on the blue planet. Some try to answer questions in abstract art world. Some explore the unknown land in the real world.

因为对生命体验和未知的好奇，有人在抽象的艺术世界里上下求索，也有人在现实的地图上不断追寻。