If two people in the dormitory share the money for a manicure and one of them does not invest, the money can be divided proportionally or according to the workload.
1. Proportional distribution: If the agreement between two people is to share the income equally, but one of them has no investment, it can be distributed in proportion to the two people. The proportion can be determined according to the agreement between the two parties.
2. Distribution according to workload: If the agreement between two people is to distribute according to workload, the income can be distributed according to the actual workload of the two people. Those without investments can allocate their income in proportion to their workload.