Running the AC in summer makes the electricity bill especially expensive.
Tips
usage
Part of a common pattern: 水费 (shuǐfèi, water bill), 电费 (diànfèi, electricity bill), 燃气费 (ránqìfèi, gas bill), 网费 (wǎngfèi, internet bill). All use X + 费 for utility charges.
