名词解释：copyright
Pleasewriteareport________theabovesubjectsaretobecovered.
Thevisitingministerexpressedhissatisfactionwiththetalks,________thathehadenjoyedhisstayhere.
Wehavetopointoutthatthepostponementofthefulfillmentofthecontract______causeduscertainexpenses.
Wewillconsider______yourtermsofpayment.
