1. I love this house because of the understated elegance of the house. I'd like to put in an offer to buy it.2. I like this HTML template because it is slightly understated.
 the understated elegance understated low-keyunderstated 跟 low-key 都指「含蓄」，可用在物品的設計來表示此設計給人含蓄低調的感覺。房子的含蓄低調的極致設計 = the understated elegant design of the house