"A glass of milk is enough."
这句话来源于英语日常会话中，用来表示已经足够或满足需求。
例句1:
"I'm not very hungry, a glass of milk is enough for me."
(我不是很饿，一杯牛奶就够了)
例句2:
"Do you want more water or a glass of milk is enough for you?"
(你还要不要更多的水，还是一杯牛奶就够了?)
例句3:
"I think a glass of milk is enough to help him sleep better at night."
(我认为一杯牛奶足以帮助他晚上睡得更好)