China's Global Digital Trade Expo in Hangzhou showcased robots, EVs, and a self-driving yacht, but questions remain over the US-China trade dispute and profits (Andrew Higgins/New York Times)

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Andrew Higgins / New York Times:China's Global Digital Trade Expo in Hangzhou showcased robots, EVs, and a self-driving yacht, but questions remain over the US-China trade dispute and profits  —  The vast Global Digital Trade Expo in Hangzhou stood as a rebuke to U.S. efforts to hem in China's technology.