How to say "big sale" in English?

There are several forms of "big sale" in English:

1, clearance sale: clearance sale. Nancy bought a coat at the clearance sale. Nancy bought a coat at the store clearance sale.

Final clearance: clearance sale. The final meaning is final; Get rid of: get rid of ... we decided to get rid of all the old clothes we never wear. We decided to throw away the old clothes we no longer wear.

3. Big sale: Big sale. Sale originally meant "sell, sell", but here, it means "the goods are on sale …". It's a big sale day. One day, a store had a sale at a reduced price.

Extended data:

Key words and sentences related to clearance sale:

1, we won't be beaten on the price: our price is the lowest in the city, and beaten: the United States ['bitn] was defeated.

2. discount: discount. In English, the expression of discount is opposite to that in Chinese. China people say 20% discount, English says 20% discount and English says 30% discount. Some students think it is "20% off", which is wrong.

3.Go on sale has two meanings, which can mean "on sale" and "on sale". The specific meaning can only be confirmed in the context. For example:

I hope it can be listed soon. I hope this product will be discounted as soon as possible.

All tickets will be on sale this Friday. All tickets will be pre-sold this Friday.

4. Liquidation sales: liquidation sales, closing sales, in which liquidation? [? l？ kw？ De? Liquidation, settlement, settlement