แต่คุณต้องทำให้แน่ใจว่าลูกค้าจะไม่ร

แต่คุณต้องทำให้แน่ใจว่าลูกค้าจะไม่รู้ว่าสินค้าไปด้วยกัน

Results (English) 1:

But you must make sure that the customer does not know whether the items together.

Results (English) 2:

But you must make sure that the client is unaware that go together.

Results (English) 3:

But you have to make sure that the customer will not know the goods together.