main section的用法和樣例：
例句
- The new town's links with other main urban areas have been greatly enhanced since the opening of Route 3 Country Park Section in May 1998.
自從三號幹線郊野公園段在一九九八年五月通車之後，天水圍與其他主要市區的交通已大大改善。 - The widening works for the highway section between Lam Tei and Tan Kwai Tsuen are designed and constructed under the Deep Bay Link project.
元朗公路由藍地至丹桂村段的工程已安排由后海灣幹線工程中設計與建造。
