英语语法分析

In February, at 3.5 percent and 5.5 percent respectively, unemployment rates in Canada and the United States were at generational lows and worker shortages were everywhere.

2月份，加拿大和美国的失业率分别为3.5%和5.5%，达到了几代人以来的最低水平，工人短缺的情况随处可见。

Here, she talks about the highs and lows of her life.

此刻，她正谈论着自己生活中的酸甜苦辣。

《柯林斯英汉双解大词典》

It saw the highs and lows of the Ming and Qing dynasties, and it plays a very important part in Chinese history.

它见证了明清两朝的盛衰，在中国历史上扮演着非常重要的角色。