The company decided to promote from internally rather than hiring externally.

公司決定內部提拔，而不是外部招聘。

The new policy was communicated internally to all employees.

新政策已內部傳達給所有員工。

The machine is designed to cool the system internally.

這台機器設計用於內部冷卻系統。

She felt the pain internally, deep within her chest.

她內心深處感到疼痛，在胸部深處。