With questions in mind, he quietly approached the elevator. Reaching the door, he observed it and found nothing unusual, then he pressed the nearby button.
Just then, a mechanical voice suddenly emanated from the elevator, startling him.
"Code! Code!"
"Code! Code!"
.....
The elevator kept repeating the call, and after five seconds, it went silent again.
"A code? What kind of code?" Lin Yifan wondered, not expecting that entering the elevator required a code.
Then, he took out the betting ticket and read a sentence written on it: Heavy betting is delightful, heavy betting harms, light betting ashes to dust.
"Oh my! Why does it feel like it should be read backwards?" Lin Yifan's forehead broke out in cold sweat, sensing that this underground fight club must be a major gambling site.
So, he pressed the switch button again and then read out the sentence from the betting ticket to see if it would work.
