My New Mind Map
作者：MrYok Joon Meng
1. What I know
1.1. bad things about trains
1.1.1. Expensive compared to buses
1.1.2. Accidents on tracks
1.2. Features
1.2.1. eco-friendly
1.2.2. Fast
1.2.3. Fully air-conditioned
1.2.4. Convenient
1.3. MRT trains lines
1.3.1. NS
1.3.2. EW
1.3.3. CL
1.3.4. DT
1.3.5. NE