"Họ không biết sử dụng máy tính như thế nào."

Translation: They do not know how to use a computer.

[tay_loree]

We learned earlier in the course that "dùng" also means "to use", so are there certain rules when deciding to use "dùng" or "sử dụng", or are they interchangeable?

[Huy_Ngo]

They are interchangeable.

[tay_loree]

Oh ok, cảm ơn! ^^

[TehVanarch]

You can also use xài but usually for money.

[CinJinMaanJyu]

sử dụng = 使用
Cantonese : sai2 jung6
Mandarin : shǐyòng