Although developments are generally good some cautionary notes should be sounded.
He has struck the right note by praising their work.
Although developments are generally good others have sounded a note of caution.
英语词典包含67175条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。