Andy, oh my God. I can't believe it. What are you doing here? I thought you're in Singapore.
安迪,我的天,竟然在这里遇见你。你在这里干什么?我以为你在新加坡。
Many firms, for instance, have great difficulty in obtaining technical or scientific books from libraries
比如,很多公司向图书馆借阅科技书籍时感到很困难,