singleness

例句：

1. 1. The single-minded focus on success is what makes him so successful.
   他对成功的专注是他如此成功的原因。
2. 2.She was always known for her single-minded devotion to her work.
   她总是以对工作的全心全意而闻名。
3. 3. The single-handed effort of the volunteers saved the village from disaster.
   志愿者的单人努力拯救了村庄免受灾难。