Fifty-litre carboy would be the most economical size. Carboys may be retained without charge for two months.
50升的瓶子应是最经济的尺码,这些瓶子可免费保存两个月。
Oh, very well. Then there is nothing to worry about. I apologize. (Hands him the note.)
哦,那太好了,没什么可犯愁的了。我向你道歉。(把钞票递给他)