Snacks and drinks sold in the employee vending machines are much cheaper than market prices.

1. If you have a problem with being late or oversleeping, don't come. Tardiness accounts for a significant portion of performance evaluations, and taking leave also involves a whole host of nitpicky issues.

2. If you can't handle pressure and aren't willing to be exploited, don't come. Some people will keep a close eye on you and start asking questions as soon as you leave your seat.

3. If you're at a junior or mid-level position, have poor relationships with your colleagues, and attract scrutiny, you'll be called in for an interview with HR or your supervisor. Congratulations—you've entered the PIP list. Your year-end performance rating will probably be poor or the worst, and there's a high chance you won't receive a year-end bonus. Yes, this place only recognizes achievements; hard work counts for nothing. Resign and find another job as soon as possible. Don't be persuaded to stay by your supervisor patting you on the head—it's only because they can't find anyone to share the workload. At the end of the year, you'll still be told that you won't receive a year-end bonus.