However, the exchange rate of RMB for SGD 1 is more than RMB 4.7 14.

The single room accommodation here is generally around 500, and eating in food stalls is generally around S $3 or S $4, plus possible transportation costs, even if it is 500 a month, that is to say, it will cost about S $ 1000 a month.

This is the average. If you don't have high requirements for accommodation, you can make it cheaper, and the transportation for eating is probably inevitable, or if you have other expenses, add them accordingly.

Ask again if you have any questions