The new factory must submit a report showing it will not harm the local ecosystem.

新工廠必須提交報告，證明不會危害當地的生態系統。

Our eco-tour package lets travelers explore the fragile rainforest ecosystem with expert guides.

我們的生態旅遊套裝行程讓旅客在專業導遊帶領下探索脆弱的雨林生態系。

The board approved funding to restore wetland ecosystems damaged by the shipping port expansion.

董事會核准撥款，修復因航運港口擴建而受損的濕地生態系統。