Beijing has promised to do more. A national DNA database was set up this year to help trace missing children.

北京已经承诺要再接再厉。今年一个国家级的DNA数据库已经建立，以帮助鉴别失踪的儿童。

youdao

Initially, Beijing promised the Shanghai event would be a modest affair.

FORBES

Earlier, China's foreign minister promised Washington that Beijing would push North Korea to return to the talks, a senior U.S. State Department official said.

CNN: U.S. 'won't bargain' over NK talks