演示应用 — 你已在上方看到过它的截图。我创建了一个包含三个函数的演示：change_background_color（更改背景颜色）、change_app_title（更改标题）和show_alert（显示警告对话框）。
Customers had to pay a deposit for the sturdy glass bottles. They then got this money back when they returned them to the shop. And the bottles would be washed and refilled over and over again.
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Experts say adding the varicella vaccine to the official NHS childhood immunisation programme will dramatically reduce the number of people who catch chickenpox, leading to far fewer serious cases.，更多细节参见搜狗输入法2026
“It is always best to err on the side of caution until you are very clear on the purpose and culture of the group,” Wesson said.
Not long afterwards, his marriage broke down, and he says he began to have suicidal thoughts.