One benefit of exercise is better sleep.

運動的一項好處是能改善睡眠。

This machine doesn't work without electricity.

這臺機器沒有電就無法運作。

Let's address one topic at a time.

讓我們一次處理一個主題。

Gwen is trying to reduce her screen time.

關正在努力減少螢幕使用時間。