最近一吃完饭就肚子疼:what can we learnt from the sandstorm

what can we learnt from the sandstorm what can we do ? "We eat what we can . What we can't , we can . " 请帮忙翻译一下，谢谢了！ what we can learn from scientist What can we do with a computer What can we do on Christmas? What can we have for main food? what we can do to prevent bird flu? What can we do for the 2008 Olympic Games? what should we do in the first dating?or where can we go?