In the history of the U. S. grain market, grain elevators several times fell prey to this temptation, spurred by a lack of clarity in bailment law.
在美国谷物市场的历史上，由于保管法不够明晰，谷仓老板们曾几度经受不住诱惑而堕落。
2
The history and evolution of Chinese characters is such a messy accretion of historical sediment and false cognates that even scholars of Chinese take its etymology with a grain of salt.
The grain yield in China has been reduced after 1998, the year when grain production reached the peak level in the history, and it turned into the lowest level in 2003.