【正确答案】:
EVERY COMPOUND SHOULD EXPRESS A SINGLE IDEA JUST AS ONE WORD. FOR EXAMPLE, "A GREEN HAND" IS "AN INEXPERIENCED PERSON", NOT A HAND THAT IS GREEN IN COLOR. 
【题目解析】:每个复合词都应该用一个词来表达一个单一的概念。例如,“生手”是“一个没有经验的人”,而不是一只绿色的手。
EVERY COMPOUND SHOULD EXPRESS A SINGLE IDEA JUST AS ONE WORD. FOR EXAMPLE, "A GREEN HAND" IS "AN INEXPERIENCED PERSON", NOT A HAND THAT IS GREEN IN COLOR.