You may pay 0 rather than pay the echo cost for permanents you control.

你可以支付0来替代由你操控的生物的反响费用。

youdao

Echo control is one of the most important things in the building design.

大型厅堂音质设计过程中，控制回声一直为声学设计者所关注。

youdao

Echo control is one of the most important things in the building design.

大型厅堂音质设计过程中，控制回声一直为声学设计者所关注。

youdao