That's because Congress has always envisioned joint federal-state immigration enforcement and explicitly encourages state officers to share information and cooperate with federal colleagues.
这是因为国会一直设想的是联邦与州联合的移民执法，并明确鼓励州官员分享信息并与联邦同事合作。
the joint effort of modern researchers.
现代研究人员的共同努力。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。