额外: extra, added, additional...
科技: science and technology...
转交: to pass on to sb, to carry and give to sb else...
发脾气: to get angry...
首: head, chief, first (occasion), first (thing), measure word for poems...
车主: vehicle owner...
今天: today, at the present, now...
看到: to see...
差额: balance (financial), discrepancy (in a sum or quota), difference...
演: to develop, to evolve, to practice, to perform, to play, to act...