1. Therefore, it is unwise and ineffective approach. 因此，这是不明智和无效的方法。
2. For this reason, punishment is not only ineffective in the long run, it is also clearly unjust. 因此，惩罚不只是在长期上没有效果，这个方法也很明显地是不公正的。
3. However, there exist many problems in the teaching on the second major with the reason of ineffective management on teaching. 但由于教学管理不到位，第二专业教学中存在实践环节缺失，办学质量不高等问题。
英英解释
adj.
1. not producing an intended effect
2. lacking in power or forcefulness
3. lacking the ability or skill to perform effectively; inadequate
