He is paying back by just the savin

He is paying back by just the savings; no investment decision is to be made at the top management.

Results (Chinese Traditional) 1:

他償還由只是儲蓄;沒有投資決策是在最高管理層做出。

Results (Chinese Traditional) 2:

他被剛才節省房款; 沒有投資決策是在高層管理人員作出。

Results (Chinese Traditional) 3:

他只是通過儲蓄來償還；沒有投資决定是在高層管理人員。