optimistic about的用法和樣例：
例句
- Nancy is not optimistic about her score of the test.
南希覺(jué)得她的考試成績(jì)不容樂(lè )觀(guān)。 - I am optimistic about the outlook of our country.
我對我們國家的前景持樂(lè )觀(guān)態(tài)度。 - I'm very optimistic about the company's future.
我對公司的未來(lái)非常樂(lè )觀(guān)。 - The stockholders are optimistic about the company's future.
股東對公司的前景很樂(lè )觀(guān)。
