Our editor corrected several preposition errors in the quarterly report before sending it out.

我們的編輯在寄出季報前，修正了其中好幾個介系詞錯誤。

During the training session, new hires practiced choosing the right preposition for business emails.

在培訓課程中，新進員工練習為商務電子郵件選用正確的介系詞。

The customer service script was revised because one preposition made the refund policy unclear.

客服話術稿經過修改，因為其中一個介系詞讓退款政策的意思不清楚。