ในทุกๆเดือนหรือทุกๆสัปดาห์เราจะสั่ง

ในทุกๆเดือนหรือทุกๆสัปดาห์เราจะสั่งซื้อหนังสือเข้ามาแทนของเก่าที่ได้ขายไป ซึ่งจะลงทุนด้วยเงินจำนวนมาก แต่ถ้าเราขายหนังสืออกไปได้มาก ก็จะมีผลกำไรที่คุ้มกว่าต้นทุน

Results (English) 1:

Every month, or every week, we'll be ordering the book to come in instead of the old, which has been sold to an investment with a lot of money but if we sell a lot of books out there that will eventually cost more than profits.

Results (English) 2:

Every month or every week, we will replace the old order books were sold out. Which will invest a lot of money. But if we sell the book's very possible. It will be more profitable than its cost.

Results (English) 3:

Every month or every week, we'll order book to replace the old sold Which will invest a lot of money. But if we sell books out a lot. It will be worth more than the cost profit