It is imperative that all invoices be submitted to accounting by Friday afternoon.

所有發票務必在週五下午前交給會計部。

With the shipment delayed at customs, it is imperative to notify our clients today.

貨物在海關延誤了，今天一定要通知我們的客戶。

During the interview, the manager stressed that clear communication is imperative for team leaders.

面試時，經理強調清楚的溝通對團隊主管來說極為重要。