spot line

基本解释

He didn't get much further than the first line of her cover letter before spotting the problem.
她的父亲接过简历瞟了一眼封面的第一行便指出问题所在。
This turns Twitter intoan early-warning system (like a canary in a coalmine) for spotting negativebuzz and heading it off before it doesreal damage toyour bottom line.
这样可让Twitter变成一种预警机制（有点象煤矿里的金丝雀），用于发现消极的发言，并在这些发言伤害到你的底线之前化解掉。
The software adopts the method that the tower spotting optimization is combined with tower serial planning for transmission line, which overall expenses along the line is considered.
该软件采用无约束条件下的送电线路杆塔排位优化及杆塔系列规划相结合的方法，并考虑沿线的综合费用进行线路的初步设计方案决策。

And workers can look all the way down the line and see through the cars, spotting bottlenecks quickly.
FORBES: Strategies