Ms. Lin was the spearhead of our company's move toward paperless billing.

林小姐是本公司推動無紙化帳單的先鋒。

As spearhead of the recruitment drive, Tom interviewed over fifty candidates last month.

身為招募活動的帶頭人，湯姆上個月面試了五十多位應徵者。

The finance director acted as the spearhead for the new budget review process.

財務長擔任新預算審查流程的帶頭人。