美元兑加元短线波动不大，特朗普称，（就对加拿大关税豁免）让我们拭目以待。加拿大在（我们）发送信函后于昨日来电。

Group 1 - The USD/CAD exchange rate shows limited short-term volatility, indicating stability in the currency pair [1] - Trump has made a statement regarding the potential exemption of tariffs on Canada, suggesting a wait-and-see approach [1] - Canada responded with a phone call following the letter sent by the U.S., indicating ongoing communication between the two countries [1]