primary concern読み方
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- primary concern日本語の意味：一番｛いちばん｝の関心事｛かんしんじ｝、まず［一番｛いちばん｝に］念頭｛ねんとう｝に置く事柄｛ことがら｝
简体版繁體版English
简体版繁體版English