The Pew Research Centre periodically asks a sample of opinion leaders, and another sample of the general public, a barrage of questions about "America's place in the world".
皮尤研究中心定期向一个舆论领导者样本及一个公众样本提出一系列“美国在世界中地位”的相关问题。
The Pew Research Centre periodically asks a sample of opinion leaders, and another sample of the general public, a barrage of questions about "America's place in the world".
皮尤研究中心定期向一个舆论领导者样本及一个公众样本提出一系列“美国在世界中地位”的相关问题。
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