Before I use this, I would feel tired after visiting crowded places. But after I use this, I wouldn't feel tired easily, and even if I feel tired I can recover much faster than before.
在我使用它之前,我在參觀擁擠的地方後會感到疲倦。但是用了這個之後,我就不會那麼容易感到疲倦了,而且即使我感到疲倦,也能比以前恢復得更快。