美国教育考试服务中心(ets)是一家非营利性机构，致力于向全球的各类人士提供公正有效的测评、研究及相关服务，提高教育质量和公平性。
ETS is a nonprofit institution with the mission to advance quality and equity in education by providing fair and valid assessments, research and related services for all people worldwide.
美国教育考试服务中心(ets)是一家非营利性机构，致力于向全球的各类人士提供公正有效的测评、研究及相关服务，提高教育质量和公平性。
ETS is a nonprofit organization with the mission to advance quality and equity in education by providing fair and valid assessments, research and related services for all people worldwide.
美国教育考试服务中心(e ETS)是一家非营利性机构，致力于向全球的各类人士提供公正有效的测评、研究及相关服务，提高教育质量和公平性。
ETS is a nonprofit organization with the mission to advance quality and equity in education by providing fair and valid assessments, research and related services for all people worldwide.
美国教育考试服务中心(% ETS)是一家非营利性机构，致力于向全球的各类人士提供公正有效的测评、研究及相关服务，提高教育质量和公平性。
ETS is a nonprofit institution with the mission to advance quality and equity in education by providing fair and valid assessments, research and related services for all people worldwide.
美国教育考试服务中心(% ETS)是一家非营利性机构，致力于向全球的各类人士提供公正有效的测评、研究及相关服务，提高教育质量和公平性。
ETS is a nonprofit institution with the mission to advance quality and equity in education by providing fair and valid assessments, research and related services for all people worldwide.
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