| 其他1. | Jones, Jeffrey M.(20200204)。Trump Job Approval at Personal Best 49%,https://news.gallup.com/poll/284156/trump-job-approval-personal-best.aspx。 | 2. | Jones, Jeffrey M.(20200324)。President Trump's Job Approval Rating Up to 49%,https://news.gallup.com/poll/298313/president-trump-job-approval-rating.aspx。 | |