There is water in some places in th

There is water in some places in the deserts. We call these places oases(绿州). In the oases, there are villages and towns. People grow all kinds of vegetables and rice in the fields there. People ___22___ live outside the oases. They have camels, sheep and other animals. These animals live ___23___ the desert plants for their food and do not need any water. The animals are useful to the desert people in many ways. They eat the meat and drink the milk of the animals. They use the camels for carrying water, food, and something else.