The greatest danger to American agriculture is the loss of the family farm.

When you start out in a team, you have to get the teamwork going and then you get something back.

这一刻尽量做，下一刻容易做。

化学的进步以新元素的发现和分析方法的改进为标志。

Our industry must adapt to the changing energy landscape while continuing to meet the world's growing energy demands.

新发现的获得往往包含意外因素。