Will Trump's steel tariffs lead to a global trade war?
鋼鐵關稅——貿易戰爭的號角？

Donald Trump has signalled his resolve to impose tariffs of 25 per cent on steel and 10 per cent on aluminium. Ben Hall asks the FT's Shawn Donnan how this will affect the American economy and whether the move will trigger a global trade war.
川普宣佈對鋼鐵徵收25％的關稅，並對鋁徵收10％的關稅。他的這一決定會對美國經濟產生怎樣的影響？此舉會引發全球貿易戰嗎？