"我就很生气，为什么你们不去北京大医院？这不明摆着么，大医院都不行（这些小医院能行吗）。但他们说，当时就看中央台的宣传，他们以为中央台的节目肯定没有问题。还有郑州大学的牌子，专家的牌子。"
"They were told that their diseases could not be cured even at the best hospitals in Beijing after being evaluated thoroughly. In their hopeless waiting, they saw the propaganda ..."
原文中没有说他们去北京的大医院检查过，我也不相信他们去过了。
“His father raises 30 pigs, and the family needs to save the heating for the piggy cubs, otherwise they will get sick in the cold.”
--> the family need to save ...
--> otherwise they would get sick ...