一个专注的年轻人在明亮的白色背景下骑着固定自行车训练。 A focused young man is training on a stationary bike against a bright white background.

这位专注的年轻黑人男子勤奋地骑着一辆固定自行车离开，他的决心在明亮的白色环境中散发出来。

The focused young black man diligently pedals away on a stationary bike, his determination radiating against the backdrop of a brilliantly illuminated white environment.