The ancient civilizations of Central and Latin America were founded upon corn

　　古代中美洲和拉丁美洲的文明社會是建立在玉米之上的。

　　It's very difficult to find work at the moment.

　　目前很難找到工作。

　　It is difficult to find work in the present economic climate.

　　在目前這種經濟大氣候下很難找到工作。

　　Someone might find out, and that would never do.

　　也許有人會發(fā)現(xiàn)，那是絕對不行的。

　　Who would have thought to find you here?

　　誰會料到你在這兒呢？