1、The country was ruled by bossism for several decades, with all decision-making power concentrated in the hands of a single leader.
这个国家在过去几十年中一直受到权力集中主义的统治，决策权完全集中在一个领导者手中。

2、Bossism often leads to corruption and abuse of power, as there are no checks and balances in place.
权力集中主义往往导致腐败和滥用权力，因为没有相应的制衡机制。