Because all these spices are lightweight dry goods which can be easily stored or transported, although they originate from different regions, they are readily available throughout China's vast territory.
由於這些香料都是輕便的乾貨，利於貯存和運輸，所以雖然來自不同的產地，卻能夠物流交通，在幅員遼闊的中國境內普及盛行。