I knew a philosophy professor in my college days who taught English in China during the 1990s. After he'd signed the contract and moved in, he taught his first week of classes. As per the contract, he expected to receive his first week's pay - when his payday came, he walked into his office to find a small stack of cash sitting on his desk and two men he recognized as working for his employer standing next to it. The stack of cash totaled up to far smaller than what the contract said he was supposed to be paid, and the other two men were all smiles and laughs about how good a job he was doing and here was his first paycheck, please take it with their complements.
It was blatantly obvious they were trying to cheat him, so what he did was he sneered and walked out. Didn't say anything, didn't do anything more, didn't even make an unhappy noise - just put an unhappy expression on his face and walked away. He came back the next day and they did it again - again, he just sneered and walked away. It wasn't until the third day of this farce that he walked in to find the proper amount of money (with a little bonus, of course) sitting on his desk and two completely different men waiting for him.
I asked him what would happen if he grabbed one of them by the lapels, accused them of cheating him, and pulled out his copy of the contract to prove his point. His response:
"It would work - once. I would get my money instantly, and my boss would come meet me in person to apologize. Then tomorrow, I would be fed a bullshit excuse about how it would be better if I left and moved elsewhere, there were people who didn't want me around and wouldn't it a shame if something bad happened, the local shop-keeps wouldn't sell me anything, and I would be very politely run out of town and had the contract severed. If I made a show of pointing out my employer's attempt to cheat me, I would have been "taking face" away from him: if he wanted to keep that face, he would have had to destroy me. And since he had a lot more face in this community than I did, it would not have been difficult for him."