Any timekeeping system is valid, and each is as praiseworthy as its purpose.
任何计时系统都是有效的，每一种系统都和它的作用一样值得称赞。
2
Dr. Susanne Shultz, an evolutionary biologist from the University of Manchester, said the study was praiseworthy in seeking to enrich our knowledge of the evolution of human language.
Starting a Peacemakers' Club is a praiseworthy venture for a class and one that could spread to other classrooms and ideally affect the culture of the entire school.