15 , lighting was always changed on a Sunday.
15 ，照明总是会在周日改变。
18 , a comparison with data for weeks when there was no experimentation showed that output always went up on Mondays.
18 ，与没有进行实验的周的数据进行比较显示，每周一的产出总是会上升。
“Sustainability” has become a popular word these days, but to Ted Ning, the concept will always have personal meaning.
可持续性如今已成为一个流行词汇，但对泰德·宁而言，这一概念将永远具有个人意义。
Those who jumped without a job haven't always landed in top positions quickly.
那些没有工作就跳槽的人并不总能迅速进入高层职位。
Although a correlation between them leaving and subsequent bad performance at the firm is suggestive, it does not mean that such directors are always jumping off a sinking ship.
尽管它们离职与公司随后出现的不良表现之间存在相关性，但这并不意味着这些董事总是急于逃离即将沉没的船只。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。