诚然，我本可以更努力，但我仍然认为所有这些批评都不公平。

___Admittedly, I could have tried harder, but I still don't think all this criticism is fair.

诚然，开车比使用公共交通更方便，但公共交通的好处大于缺点。

___Admittedly, driving is more convenient than using public transportation, but the benefits of public transportation outweigh the drawbacks.

诚然，这部电影开头很慢，但后来变得好多了。

___Admittedly, the movie has a slow start, but it gets much better later.