Ideas

1. College Life

1.1. leisure time

1.1.1. Sports

1.1.1.1. basketball

1.1.1.2. football

1.1.1.3. soccer

1.1.2. Study

1.1.3. hang out with friends or classmates

1.1.4. play games

1.2. class time

1.2.1. listen without thingking

1.2.2. listen with questions

1.2.3. sleep

1.2.4. play cellphones

2. alligators

2.1. Types of alligators

2.1.1. American alligators

2.1.2. Chinese alligators

2.2. environmental effects of alligators

2.3. recent situations about American alligators

3. Banks

3.1. Bank of America

3.1.1. Debit Card

3.1.2. Credit Card

3.2. Chase

3.2.1. Debit card

3.2.2. Credit Card

3.3. Citi

3.3.1. Debit Card

3.3.2. Credit Card