optimism

Despite the current economic crisis, the CEO maintained an air of optimism for the future.

(Chinese) 尽管面临当前的经济危机，首席执行官仍对未来保持着乐观态度。

His natural optimism helped him recover quickly from the serious injury.

(Chinese) 他天生的乐观主义精神帮助他从严重的伤病中迅速康复。