Unit Yea的用法和樣例：
例句
- In the concept of a million years of history as a unit deduce the endless cycle of life as a short Zhaolu.
在瑪雅人的觀念中，歷史是以千萬年為單位推演的無盡輪迴，人生短暫如同朝露。 - The land development fee may be calculated and collected by the land development unit in a lump-sum, or by yearly installments.
土地開發費可由土地開發單位一次性計收或者分年計收。
