big tent
noun [ C ] politics mainly US specialized uk/ˌbɪɡ ˈtent/ us/ˌbɪɡ ˈtent/
（兼容并蓄的）“大帐篷”党派（或团体）
a political party or group that includes many different groups or ideas, and so can attract a wide range of supporters
"The Republican Party is a big tent," he said. "We have strong core beliefs that bring us together, but we can disagree about social issues." "共和党是一个大帐篷式的团体，"他说："强烈的核心理念让我们走到一起，但是在社会问题上我们又各自有着不同的观点。"