Singapore's consumption is relatively high, after all, it is a developed country, but if you have been to Europe, Australia, Japan and so on. The consumption level in Singapore is still acceptable.
The exchange rate between Singapore dollar and RMB is about 1:5. Many things are also sold in China, so it is also expensive from this perspective.
If you want to travel, read more raiders. You can also find a QQ group for Singapore tourism and recommend one to you. The group number is 5 163699 19. But you should have a general understanding of many things first, and don't be a hand-holding party.