yan jiu sheng zen me xie qi kan lun wen
导师 qi kan lun wen gai dao shi xie huan shi yan jiu sheng xie
写了 wen ke yan jiu sheng xie qi kan lun wen xie liao duo jiu
大牛 da niu bang yan jiu sheng xie qi kan lun wen
要写 yan jiu sheng bi ye yao xie qi kan lun wen
写出 yan jiu sheng zen yang xie chu qi kan lun wen
yan jiu sheng qi kan lun wen xie bu chu lai
有用 yan jiu sheng xie qi kan lun wen you yong me