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。
I told him that if painting was important for him, he would live on bread in order to succeed.
我告诉他说,如果绘画对他很重要的话,那么要取得成功,就得靠啃干面包生活了。