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。
and its effects are reinforced by the use of endearing epithets, such as'ho! my son',
为了加强这种效果,人们给以亲切的外号,如嗬!我的孩子、