Makin said Mr Coombes had gone to the police of his own volition.梅金说库姆斯先生是主动去向警方投案的。

We like to think that everything we do and everything we think is a product of our volition.我们常常认为我们的一切所思所为都出于自身意愿。

He felt as though he were in the grip of Fate and had no volition of his own.他感觉自己好像被命运掌控, 毫无自主选择的余地。