考證

Verb

 * 1) to do textual research or criticism
 * 2) to investigate and verify
 * 3) to take a qualification exam in order to get a certificate
 * 1) to take a qualification exam in order to get a certificate
 * 1) to take a qualification exam in order to get a certificate
 * 1) to take a qualification exam in order to get a certificate
 * 1) to take a qualification exam in order to get a certificate