The cost of producing a new television commercial could not be justified. 制作一个新的电视商业广告的成本无法得到合理的证明。
He then recalled a television commercial in which Duncan refrains from blinking despite a flurry of activity. 接着，他回忆起一个电视商业广告，广告中，邓肯面前有剧烈的干扰，但他一直忍耐，纹丝不动。
