n.<美>调车场场长
The new test provides a yardstick against which to measure children's learning.
新的测试提供了一个标准去检测儿童的学习.
By any yardstick, that's a large amount of money.
用任何标准衡量, 那都是巨大的金额.
a yardstick by which to measure sth
衡量某事物的标准