Our telecommunication costs rose sharply after we opened the new branch in Singapore.

我們在新加坡開設新分公司後，電信費用大幅上升。

The hotel upgraded its telecommunication systems so guests can make video calls without interruption.

飯店升級了電信系統，讓房客能順暢地進行視訊通話。

We are hiring an engineer with five years of experience in telecommunication network design.

我們正在招募一位具備五年電信網路設計經驗的工程師。