(170330) -- NEW YORK, March 30, 2017 (Xinhua) -- Former U.S. treasury secretaries Jacob Lew, Timothy Geithner, Robert Rubin and W. Michael Blumenthal (From R to L) attend the "Leader Speak: Treasury Secretaries" event at the China-US SkyClub in New York, the United States, on March 29, 2017. Do not allow small frictions and differences in trade to undermine the U.S.-China economic relationship, which is essential to the world economy. This is among the remarks made by former U.S. treasury secretaries W. Michael Blumenthal, Timothy Geithner, Jacob Lew, and Robert Rubin, in a conversation with Steve Orlins, head of National Committee on U.S.-China Relations, in New York on Wednesday evening. Economic relations would not enjoy sustained, rapid growth if they were not based on mutual benefit, they said. (Xinhua/Wang Ying)