Journalists work at the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020. The media center of the CIFTIS started trial operation on Thursday. The CIFTIS is to be held from Sept. 4 to 9. [Photo/Xinhua]

Journalists work at the media center of China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020. The media center of the CIFTIS started trial operation on Thursday. The CIFTIS is to be held from Sept. 4 to 9. [Photo/Xinhua]

Journalists work at the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020. The media center of the CIFTIS started trial operation on Thursday. The CIFTIS is to be held from Sept. 4 to 9. [Photo/Xinhua]

Volunteers work at the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020. The media center of the CIFTIS started trial operation on Thursday. The CIFTIS is to be held from Sept. 4 to 9. [Photo/Xinhua]

Photo taken on Sept. 3, 2020 shows a cultural exhibition booth at the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China. The media center of the CIFTIS started trial operation on Thursday. The CIFTIS is to be held from Sept. 4 to 9. [Photo/Xinhua]

Volunteers work at the media center of the China International Fair for Trade in Services (CIFTIS) in Beijing, capital of China, Sept. 3, 2020. The media center of the CIFTIS started trial operation on Thursday. The CIFTIS is to be held from Sept. 4 to 9. [Photo/Xinhua]