observation和observance的区别
observation: n. 观察；监视；观察报告 The results of the experiment are all based on scientific observations. 实验的结果都是根据科学观测得来的。 observance: n. 惯例；遵守；仪式；庆祝 We must respect religious observances in different regions. 我们要尊重不同地区的宗教习俗...
observation: n. 观察；监视；观察报告 The results of the experiment are all based on scientific observations. 实验的结果都是根据科学观测得来的。 observance: n. 惯例；遵守；仪式；庆祝 We must respect religious observances in different regions. 我们要尊重不同地区的宗教习俗...