?意思：careers是一個英文單詞，指的是職業、事業或者生涯。它可以用作名詞或者動詞。

用法：作為名詞時，careers通常指一個人的職業發展道路，也可以指某個特定行業或領域的整體發展趨勢。作為動詞時，careers表示猛沖、奔跑或者快速移動的意思。

例句：

1. My parents always encouraged me to pursue my dreams and choose a successful career. (我的父母總是鼓勵我追求夢想，選擇一條成功的事業道路。)

2. The fashion industry has been on a steady upward career in recent years. (近年來，時尚產業一直保持穩定的上升趨勢。)

3. The car careers down the highway at breakneck speed. (汽車以驚人的速度在高速公路上疾馳。)

4. She is determined to make a career out of her passion for cooking. (她決心將自己對烹飪的熱愛變成一項事業。)

5. After his injury, he had to give up his football career and find a new path in life. (在受傷后，他不得不放棄足球生涯，在生活中尋找新的道路。)

同義詞及用法：career還可以用vocation、profession、occupation等單詞替換，表示職業、事業或者工作。：

1. She has had a successful vocation as a lawyer for over 10 years. (她作為一名律師已經有超過10年的成功職業生涯。)

2. Teaching is a noble profession that requires patience and dedication. (教學是一項需要耐心和奉獻的高尚職業。)

3. My occupation as a doctor allows me to help people and make a positive impact on their lives. (我作為一名醫生的職業讓我能夠幫助人們，對他們的生活產生積極的影響。)