基础题
原文片段：The company launched a new product last month. It was very popular because it was cheap and easy to use. Many customers bought it online.
范文片段：Last month, the company launched a new product which was popular due to its low price and convenience, attracting many online customers.
变式
原文片段：The government has introduced strict rules to protect the environment. Factories must reduce pollution. If they fail to do so, they will face heavy fines. This policy aims to improve air quality.
范文片段：To protect the environment, the government has introduced strict rules requiring factories to reduce pollution, with heavy fines imposed on violators to improve air quality.
1. 提取要点：时间（last month）、主体（company）、动作（launched product）、原因（cheap, easy）、结果（popular, bought online）。
2. 简化表达：将 "It was very popular because it was cheap and easy to use" 简化为 "popular due to its low price and convenience"（名词化，更紧凑）。
3. 衔接技巧：使用非限制性定语从句 "which was..." 连接产品与特征，使用现在分词 "attracting" 表示结果，避免使用 "and" 简单罗列。