“で” or “ので”　is a conjunction equivalent to and, so, as, and because, as in,

彼女は料理が好き**で**、特にパスタ料理が得意です
- She is a good cooker **and** her specialty is pasta dishes.

ウイスキーを一杯飲ん**で**それから出かけました
- He had a gulp of a glass of whiskey **and** went out.

彼は勉強家で、中国語を3年間**で**完全にマスターしました
- He is a hard-worker, **so** he completely mastered Chinese in three years.

彼は言い間違えた**ので**訂正しました
- He misspoke. **So** he corrected it

彼は骨折**で**入院しました
- **Because of** a fracture, he got hospitalized.

彼女は愛想がいい**ので**皆に好かれています
- **Because** (as) she is so amiable, she is liked by everybody.