1.However, if can't forget he said, don't forget. The real forget, do not need effort.
张小娴说：如果没法忘记他，就不要忘记好了。真正的忘记，是不需要努力的。
2.However, because of our imperfect theory, the research ways and processes still need effort to improve and develop.
当然，由于我们的理论水平有限和不足，在研究方法、研究过程方面还有待进一步完善和发展。
3.We sure need effort and patience in life. That's life.
我们在生活中确实需要努力和耐心，这就是人生。