grain export的用法和样例：
例句
- India, home to more than half the world's hungry, is restricting grain exports, including a ban on the export of non-basmati rice.
例如贫困人口占世界一半的印度就在限制粮食出口，包括禁止出口巴斯马蒂香米以外的大米。 - China will stick to its rigid controls on grain exports for the time being despite the rampant smuggling of grain that has eaten into its tariff, grain experts said.
粮食专家说，中国当下仍会坚持实施控制粮食出口的政策，尽管猖獗的粮食走私活动已经造成关税收入的损失。
