a labour of love 怎么翻译

a labour of love
爱做的事
例句：
However, for the crew members involved, it was a labour of love. They got no extra cash — just a moment in the limelight.
而参加摄制的乘务人员也乐此不疲。他们没有获得额外报酬，只是享受了一会儿站在镁光灯下的乐趣。

labour
day
is
a
holiday
held
on
the
fourth
monday
in
october
　　劳动节是在10月的第四个星期一举行
　　hold
on
举办，举行，开展，

爱做的事

乐于做的事
举例：
I don't mind arranging the flowers for the church every Sunday; it's a labour of love.
我不在乎每星期天为教堂插花，我乐意干，不要报酬。
Enthusiasm has rendered this biographical task a labour of love.
有了热情，撰写这份传记也就成为自己乐意做的工作了。