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As for the national debt, the benefits of immigration are only likely to accrue with time. Later generations of immigrants tend to pay more in taxes as educational attainment and incomes rise, according to the Cato Institute’s report, which called children of immigrants “the most potent fiscal engine this country has ever seen.” Should Trump’s immigration crackdown cause a sustained decline in new entries, that engine will be much less powerful than it could have been.
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天色渐渐暗下来，夕阳把大地染成淡淡的金棕色。暖风吹拂下，我把衣领松开，转身缓步往回走，把周边所有树木都留在身后的暮色里。它们或许也在目送我，照例把那些有关生命、生发的腹稿，继续含在抿紧的苞唇里，只是在春风吹过时，每根枝条的顶端都争相报以会心的点头致意。
（七）加强高校科普队伍建设。高校应建强校科协，设置秘书处专职工作岗位，配备专职工作人员，统筹协调学校科普工作。建设师生协同、专兼结合、结构合理的科普队伍，加强科普队伍规范管理和专业培训，支持开展高校科普研究，总结实践经验与规律。支持建设科普创作中心或科技资源科普化平台，提升队伍科普创作与科普服务水平。
Only one team in the history of European club competitions have lost the first leg of a tie by a three-goal margin at home and advanced in the second. Up in the directors’ box, Evangelos Marinakis, more than an interested party on that occasion, presumably had flashbacks of Olympiakos suffering a 4-1 home defeat by Maccabi Tel Aviv in the Conference League two years ago, only to triumph 6-1 in Serbia in the second leg.