what happen if nobody buy my gems? I posted some slots to sell gem on the market and not yet sold . how do i must now?

Defferent

(1)"Your Acitivity Feed" at home site :
Main Faucet   
You rolled 37,516 on the main faucet.   
20 Coins
7 minutes ago
Loyalty Bonus   
You earned a loyalty bonus of 100%   
20 Coins
7 minutes ago
Cointiply Mining Game   
Upgraded Carrier Depot to level 3   
-24 Coins
15 minutes ago
Cointiply Mining Game   
Upgraded Headquarters to level 2   
-2750 Coins
16 minutes ago
Cointiply Mining Game   
Purchased Headquarters for your mine.   
-25000 Coins
18 minutes ago

(2) "Your activity" in "Mining game" :
Payouts   
Payout Mine   
Earned coins from your mining operation.   
114 Coins
0 Gems
12 minutes ago
Payouts   
Payout Bonus   
Earned coins from your share of the Cointiply Mining Pool.   
42 Coins
0 Gems
12 minutes ago
Purchases   
Building Upgrade   
Upgraded Carrier Depot to level 3   
-26 Coins
0 Gems
15 minutes ago
Purchases   
Building Upgrade   
Upgraded Headquarters to level 2   
-3000 Coins
0 Gems
16 minutes ago
Purchases   
Building Purchase   
Purchased Headquarters for your mine.   
-25000 Coins
0 Gems
19 minutes ago