求翻译：同时，我们也进行里一次市场调查，我们一共发放了300份调查问卷，有效回收了270 份问卷，通过这次调查，让我们充分了解了顾客的想法和感受，以及我们工作中存在的问题和不足，针对此及时进行改进和调整。是什么意思？

We also conducted in a market survey, we distributed a total of 300 questionnaires, 270 valid questionnaires were collected through this survey so that we fully understand the customer's thoughts and feelings, and problems in our work and enough for this timely improvements and adjustments.

In addition, we also conducted a market survey, we issued 300 questionnaires, 270 questionnaires were effective recovery, as a result of the investigation, and let us fully understand the customer's ideas and feelings, and our problems and shortcomings in the work, in response to this timely improve

In at the same time, we also carry on a market survey, we altogether have provided 300 questionnaires, has recycled 270 questionnaire effectively, through this investigation, let us understand fully customer's idea and the feeling, as well as we worked the question and the insufficiency which existe

At the same time, we also conducted a market survey, we issued a total of 300 copies of the questionnaire, have effective recovery of 270 questionnaires, through this investigation, we fully understand the customer's ideas and feelings, as well as the problems and deficiencies in our work, for this

Meanwhile, a market research in we go on too, we released 300 questionnaires altogether, retrieve 270 questionnaires effectively, through this investigation, let us fully find out about the customer's idea and feeling, and problem and deficiency existing in our work, carry on improvement and adjustm