side-line

例句：

1. 2.
   使
2. 3.
   使
3. 1.She decided to take a side-line in real estate.
   她决定从事房地产的副业。
4. 2. The company is considering taking a side-line into renewable energy.
   该公司正在考虑转向可再生能源的副业。
5. 3.He's always thinking of ways to side-line his competitors.
   他总是在想如何使自己的对手处于不利地位。