Robert Costantini, who reports from the White House for an American radio news network, said it was like nothing he had experienced before.

一家美国广播新闻网络驻白宫记者罗伯特·科斯坦蒂尼（Robert Costantini）表示，这种经历从未有过。

Getting around in Hanoi is very different than in the very rigid and disciplined society of Singapore at the first Trump-Kim summit, Costantini added.

科斯坦蒂尼还说，在河内四处闲逛与在法规森严的新加坡完全不同，首次特金会在新加坡举办。