a.

substantial">substantial">substantial">substantial">insubstantial">substantial">substantial">substantial，unreal，substantial">substantial">substantial">substantial">unsubstantial">substantial">substantial">substantial

参考例句

1. The life without goal is not

substantial">substantial">substantial">substantial

!

没有目标的生活是不充实的！

2. People and things are

substantial">substantial">substantial">substantial

; dreams and ghosts are not.

人和事物是真实的；梦和鬼魂是“虚幻”的。

3. And, considering our deep pockets, the required contribution would most certainly have been

substantial">substantial">substantial">substantial

.

考虑到我们深深的口袋，被要求的贡献一定是非常巨大的。