1. create bonds, connection [C]
e.g. Communication can create strong bonds between parents and children.
2. interpersonal relation
e.g. Many people have difficulty in handling interpersonal relationships.
3. conservation [U], contribute to, research [U]
e.g. Scientists can study the behavior of animals, and their research projects can contribute to wildlife conservations.
4. sponsorship [U],
e.g. With sponsorship, athletes can concentration on training without financial worries.