Language Points
#我们都认识OK，但A-OK是知道什么意思吗？#
A-OK，绝对没问题.
The doctor said his knee is A-OK for the game.
医生说他的膝盖完全不影响比赛.
第三代Kindle便宜的一种只有Wi-Fi.
but it's A-OK with me.
The meat industry insisted that antibiotic use is A-OK although FDA says otherwise.
肉类工业坚持说抗生素的使用没问题，虽然FDA不认同.
