Our engineering team made a major breakthrough in reducing shipping costs last quarter.

我們的工程團隊上一季在降低運費方面取得了重大突破。

The negotiators finally achieved a breakthrough after three days of tense meetings with the supplier.

經過與供應商三天緊張的會議後,談判人員終於取得突破。

Investors reacted positively when the company announced a breakthrough in battery technology.

公司宣布電池技術有所突破時,投資人反應十分正面。