Warrent ignored peter , this expression was sour .
沃伦特满脸不高兴，不去理睬彼得。
Double certificates , the direct warrent to certain professions , are to verify the knowledge , skills and qualifications of the talents .
双证书是技能型人才的知识、技能和素质的体现和证明，是高职毕业生直接从事某种职业岗位的凭证。
warrent