# 3. Download data and train tokenizer (one-time, ~2 min)
Iran previously warned vessels not to pass through the Strait of Hormuz in the Persian Gulf, through which about 20% of the world's oil and gas is shipped.
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after the background section, you can assume they're someone familiar
坚持和完善社会主义基本经济制度，更好发挥经济体制改革牵引作用，建设高标准市场体系，提升宏观经济治理效能，促进资源配置效率最优化和效益最大化，激发全社会内生动力和创新活力，确保高质量发展行稳致远。