1. an effortful attempt to attain a goal. 为了达到目标而努力。
2. Anecdotal accounts suggest that effortful learning may also help some patients. 还有一些消息指出，专注学习或许也能帮助一些病患。
3. But when you return to this question at the end of an inquiry you may find that your breathing feels deeper, fuller, or less effortful. 可是当你在体验结束后重新回到这个问题上来，你将发现你的呼吸更深、更充盈并且不再过分刻意努力。
