在洛杉矶因美国总统特朗普 (Trump)的移民政策发生数日骚乱后，抗议活动蔓延至旧金山，考验该市新任温和派市长的决心。

NEW YORK, June 17 (Xinhua) -- The Asian Art Museum in U.S. San Francisco is looking to deepen international collaboration and contribute to global cultural exchanges.

NEW YORK, June 18 (Xinhua) -- Amazon.com Inc.'s Zoox autonomous driving unit opened a robotaxi production facility in the U.S. state of California in the latest move by a deep-pocketed tech company to ...