be on the upbeat的用法和樣例：
例句
- We always attach great importance to developing sino american trade on the basis of equality and mutual benefit.
我們一貫重視在平等互利的基礎上發展中美貿易。 - This makes real estate development and transactions on the one hand and, on the other hand, the urgent need for housing people can also face high prices suspire.
這使得一方面房地產開發越來越紅火，另一方面迫切需要住房的老百姓又只能面對高昂的房價嘆氣。
