The quarterly sales review was highly instructive for new members of the marketing team.

這次季度銷售檢討對行銷團隊的新成員非常有啟發性。

Many trainees found the customer service role-play session surprisingly instructive and practical.

許多受訓人員覺得這場客服角色扮演課程出乎意料地實用又有收穫。

Comparing shipping costs across three carriers proved instructive when we planned next year's budget.

比較三家貨運公司的運費，對我們規劃明年預算很有參考價值。