So he keeps on studying after his English classes in order to prepare for life in America.
所以他在英语课下课后还继续学习,为以后在美国生活做准备。
There were hardly any trees on the island and there was no water, but this did not prove to be a problem.
岛上几乎没有一颗树,也没有淡水,但这不算什么问题。