cat bui cuoc doi a letter of application Bài hát nhạc trữ tình về cát bụi cuộc đời của người đơn văn và yên tâm trong cuộc sống. Xem lời bài hát, thông tin bài hát, ca sĩ, sáng tác và album của Trường Sơn
certification Certification is the formal attestation or confirmation of certain characteristics of an object, person, or organization. Learn about different types of certification, such as professional, product, academic, and software testing, and how they are based on standards and attestations of conformity
collocation dictionary Learn how to use the Oxford Collocations Dictionary, a comprehensive and reliable source of collocations for English learners. Find out what collocation is, why it is important, how it is compiled, and how to look up and use it effectively
