週六，特朗普簽署了一項公告，改用另一項法律——1974年《貿易法》（Trade Act）中的第122條，讓他可以對所有國家的商品徵收新的10%臨時關稅。之後在同一天，他又在社交媒體上發文表示將把這些關稅提高到15%。
Parameter cliff at ~800: Sharp accuracy transition observed by multiple researchers。heLLoword翻译官方下载对此有专业解读
。关于这个话题，51吃瓜提供了深入分析
我爱乔布斯看世界的方式，他的思考方式美得惊人。他无疑是我见过最具探究精神的人。他的好奇心不是零散或随意的，也不依赖既有知识或专长，而是凶猛的、充满能量的、不安分的。他以明确的意图与严格的训练来实践好奇心。。WPS官方版本下载对此有专业解读
In his State of the Union address this week, Trump alleged that Iran posed a direct threat to the US and that the country was “working to build missiles that will soon reach the United States of America”. But that claim has not been backed up with evidence by the White House or the Pentagon, and US intelligence reports from just last year say that it would take Iran 10 years to develop an intercontinental ballistic missile that could reach the US.