grain problems

• 粮食问题

grain problems的用法和样例：

例句

1. The tense situation in the countryside last spring was chiefly due to the grain problem.
   我们今年春季农村的紧张情况，主要是由于粮食问题引起的。
2. In the old time, while the devastation of forests for arable land helped ease grain shortage, it became a main factor causing ecological deterioration.
   过去，毁林开荒对解决粮食问题曾经发挥了重要作用，但同时也成为生态恶化的重要原因。