With hundreds of farmers not planting traditional food crops this season, Nkansah believes there is a real risk that the shift to biofuels will result in food shortages.

VOA: standard.2009.08.23

Of course, with large-scale industrialization, which begins in the middle of the eighteenth century, you'll see this dramatic shift up to the north.

当然,随着大规模的工业化,在十八世纪中期的兴起,你会发现北方的戏剧性转变

耶鲁公开课 - 欧洲文明课程节选

Well, it's a prefix most of the symbols in this function with just an asterisk, with a * from the keyboard so Shift-8.

好的，在这个函数中它是一个前缀符号,就是一个星号，在键盘中用Shift-8输入。

哈佛公开课 - 计算机科学课程节选