decide的名詞可數嗎

　　Cost was a key element in our decision.

　　價錢是我們決策時考慮的主要因素。

　　We'll make our decision and contact the people involved.

　　我們將作出決定，再與有關人員聯系。

　　We will study the report carefully before making a decision.

　　我們將認真研究這份報告，然后再作決定。

　　I'd like a second opinion before I make a decision.

　　我在作決定之前，想聽聽別人的意見。