Unsubstantial
a. 無實體的, 不堅固的, 淺薄的
??? 情景例句
I have been talking to a group of salesmen
我一直在與一群推銷人員談話
From words to deeds is a great space.
言行之間，大有距離。
In September 1888 at the age of 19, he sailed to England and after three years' study became a lawyer.
1888年9月，他19歲時乘船去了英國，并在3年的學習之后成為一名律師。