item

mandatory

merchandise

trend

comfortable

expansion

expanded

exploration

mandate

strict

物品 a distinct part that can be specified separately in a group

強制的 required by rule

商品 commodities offered for sale

趨勢 a general tendency to change, as of opinion

自在 providing or experiencing physical well-being or relief

擴張 the act of increasing in size or volume or quantity or scope

展開 increased in extent or size or bulk or scope

勘探 travel for the purpose of discovery

授權 a formal statement of a command to do something

嚴格的 rigidly accurate; allowing no deviation from a standard