英语翻译

题目

英语翻译
But it must be undertaken slowly and carried on only if there are signs of interest and action in return

答案

但是它必须被缓慢地实施,并且只有在有兴趣和行动作为回应的迹象的时候才能继续.but it must be undertaken slowly,and it must be carried on only if there are signs of (interest and action in return)....