early 13c., "act performed in accordance with prescribed usage," especially a religious or ceremonial one, from Old French observance, osservance "observance, discipline," or directly from Latin observantia "act of keeping customs, attention, respect, regard, reverence," from observantem (nominative observans), present participle of observare (see observe). Observance is the attending to and carrying out of a duty or rule. Observation is watching, noticing.
权威例句
1. The trading day is shortened in observance of the Labor Day holiday.
因庆祝劳工节,这个交易日交易时间缩短了。
2. Observance of the law is a matter of principle for us.
守法是我们的一个原则问题。
3. observance of the law
守法
4. The speaker advocated a less austere observance of the Sabbath.
演讲者倡导放宽安息日的严格规定.
5. The speaker advocated a less austere observance of the sabbath.