test online的用法和樣例：
例句
- Cable testing instruments measure crosstalk by applying a test signal to one wire pair.
纜線測試儀器以加上測試訊號到一對線來測量串音。 - With respect to adding initiatives, the staff wisely focused most of its effort on the customers that had responded most positively in the online testing, the nonprofits.
至於加強主動性方面，員工們很明智地將注意力集中在那些對在線測試回應最為積極的客戶，即非營利組織上。
