adj. 大量的; 结实的，牢固的; 重大的
Substantial means large in amount or degree.
The party has just lost office and with it a substantial number of seats...
That is a very substantial improvement in the present situation.
A substantial building is large and strongly built.
...those fortunate enough to have a fairly substantial property to sell.
1. fairly large;
2. being the essence or essential element of a thing;
3. having substance or capable of being treated as fact; not imaginary;
4. providing abundant nourishment;
5. of good quality and condition; solidly built;
The country bought a substantial number of weapons.
Those workers have built many substantial buildings in the recent years.
There was a substantial growth of industry and foreign trade increased as a result.
The walls were substantial and did not fall.
By careful strategy she negotiated a substantial pay rise.