Danger and disease are inevitable. If you are in poor health, you will get sick more easily. If you don't eat fresh food for a long time, your body will decline. It is difficult to surf the Internet. Think about it, the network signal at sea is definitely not good, but the network is estimated to be there, but it is not for you to surf the Internet, but for communication. It's hard to say when to go to sea. A year or so is a long time.