In the early days in the USA,salt was very scarce. (No one yet knew that there was enough salt under the ground to provide an ample supply of salt for the whole world for thousands of years!是什么意思_In the early days in the USA,salt was very scarce. (No one yet knew that there was enough salt under the ground to provide an ample supply of salt for the whole world for thousands of years!在线翻译_英语_读音_用法_例句