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.