The quarterly report shows a sharp diminution in operating costs after the warehouse merger.

季報顯示倉庫合併後，營運成本大幅下降。

Customers complained about the diminution in service quality since the call center moved overseas.

自從客服中心移往海外後，顧客抱怨服務品質下降。

Investors were worried that the new policy would cause a diminution of shareholder value.

投資人擔心新政策會導致股東價值減少。