$(1)$ $\textbf{mall}$: The text mentions going to a "new shopping mall in the city center" to buy clothes

$(2)$ $\textbf{customers}$: The place was "very crowded with many customers looking for goods"

$(3)$ $\textbf{sale}$: They went to a store because there was a "big sale on diverse items"

$(4)$ $\textbf{money}$: The mother "saved a lot of money on a beautiful dress" by finding a bargain

$(5)$ $\textbf{size}$: The shirt didn't fit, so they asked for a different "size"

$(6)$ $\textbf{receipt}$: A cashier typically provides a receipt after a transaction is completed

$(7)$ $\textbf{price}$: The price of the shoes was the reason for not buying them

$(8)$ $\textbf{window}$: Looking at displays without purchasing is called window shopping

$(9)$ $\textbf{online}$: Online shopping is widely considered more convenient nowadays

$(10)$ $\textbf{products}$: Visiting a physical store allows customers to see the products directly