Never add'S To These Nouns。
She won S5 millions.She won S5 million.
I have a lot to do tonight！
She has a lots of chores to do.
We bought two lands.We bought two plots of land.
My new company has many staffs.
We offer a 30-days trial.
We need to remove many clutters from the office.
There are dusts on the shelf.
We're running out of storages.
We're out of powers.
We're out of power.