trial run
noun /ˌtraɪəl ˈrʌn/
/ˌtraɪəl ˈrʌn/
(also test run)
- a test of how well something new works, so that you can see if any changes are necessary
(对新事物的)初步试验,试行 - This year is a trial run for the new service, before it is officially introduced in 2011.
在2011年正式推出之前,今年是新服务的试运行。
- This year is a trial run for the new service, before it is officially introduced in 2011.