I know there have been many long meetings and many day and night time phone calls between Beijing and Houston, and several long traveling trips between Houston, Beijing and Xi 'an.

我知道双方一起经历了很多会议，包括很多日日夜夜在北京和休斯敦之间的电话会议，以及多次在休斯顿、北京、西安之间的频繁长途旅行。

youdao

Xi 'an is a city with a long history. There are too many historical memories.

西安是一个历史悠久城市，有着太多的历史记忆。

youdao

Owing to its brilliant culture, long history, as well as abundant relics and sites, Xi 'an enjoys the laudatory title of "Natural history Museum".

灿烂的文化、悠久的历史以及丰富的文物和遗址，使得西安享有“自然史博物馆”的美称。

youdao

The two sides have "some differences" but said they have "enormous shared interests" and should "handle this relationship from a strategic and long-term perspective, " Xi said.

NPR: Lew Visit Marks US-China Re-Engagement