相关单词同义词certification, insurance, commitment, guarantee, safety, 近义词 certainty, confidence, promise反义词diffidence, 无自信临近词assure, assumption, assurances, assurance law, assurance tax, assurance test, assurance level, assurance trust, assurance factor, assurance system, assurance policy, assurance science相似词assuage, assume, assuming (that), assumption, assure, assured, assuredly, astatine, 返回 assurance