This work costs us nothing; it's all done by volunteers.

做这份工作我们没花一分钱，都是由志愿人员做的。

youdao

This work costs us nothing. It's all done by volunteers.

[这项工作我们分文未花，全是由志愿者做的。] …

youdao

This work costs us nothing. It's all done by volunteers.

[这项工作我们分文未花，全是由志愿者做的。] …

youdao