2020年总统竞选特朗普是哈里斯竞选的核心挑战 2020 presidential race against Trump is Harris' campaign's core challenge.
对哈里斯竞选的真正考验是即将对特朗普进行总统竞选,因为她先前的成就在更广泛的政治舞台上面临重大挑战。 The real test for Harris' campaign is the upcoming presidential race against Trump, as her previous accomplishments face a significant challenge in the broader political arena. 这是她竞选的主要重点,也是她政治能力的最终考验。 This is the main focus for her campaign and the ultimate test of her political abilities.