试题题干
Words are arbitrary symbols and independent identities so far as their （ ）are concerned.
参考答案
正确答案：
试题解析
词就其外部方面——拼写和发音——而言是具有任意性的符号和独立的单位。
Words are arbitrary symbols and independent identities so far as their （ ）are concerned.
词就其外部方面——拼写和发音——而言是具有任意性的符号和独立的单位。