Rancher Tom can raise 1 5 goats and 30 pigs in a year. Rancher Joe can raise 30 goats and 1 5 0 pigs in a year. Who has the comparative advantage for raising pigs?
【简答题】阅读理解。 We talk every day. When we have good news, we like to share it with our good friends and when something terrible happens, we make it known to others soon. But can you imagine that a tree can tal...
【简答题】We talk every day. When we have good news, we like to share it with our good friends and when something terrible happens, we tell it to others soon. But can you imagine that a tree can talk and share ...
【简答题】We talk every day. When we have good news, we like to share it with our good friends and when something terrible happens, we make it known to others soon. But can you imagine that a tree can talk and ...
【简答题】We talk every day. When we have good news, we like to share it with our good friends and when something terrible happens, we make it known to others soon. But can you imagine that a tree can talk and ...