and what's more; moreoverUsed to add an additional fact, often one that makes a situation more surprising, inconvenient, or impressive. It is commonly followed by อีก, อีกด้วย, or อีกต่างหาก.
TH: ไม่แพงมากนัก เเถมยังวิวสวยอีกด้วย
EN: It isn't very expensive, and what's more, it has a beautiful view.