be common / standard / normal practice to be the usual and accepted way of doing something是普遍/例行/通常的做法:•It's common practice in many countries for pupils to repeat a year if their grades are low.学生如果成绩不好就重读一年，这是许多国家的普遍做法。•It's standard practice to seek parents'permission wherever possible.例行的做法是凡事只要有可能就需要征得父母的同意。 |