记忆技巧：找「更大」→ 弹掉 ≤ 当前的（栈顶保留比当前大的）；找「更小」→ 弹掉 ≥ 当前的；找「相等可接受」→ 用 < / ，否则用 <= / =。
香港推動「寵物友善」餐廳促經濟 會讓業界陷入兩難嗎？
。关于这个话题，51吃瓜提供了深入分析
automate the process of creating written or spoken content
"It would be nice for people to still carry on doing [manufacturing], rather than get just some robot, like they do in Japan, just to assemble it all, because it's the human touch," he said.