嘈杂: noisy, clamorous...
富强: rich and powerful...
跨越: to step across, step over...
卫生: health, hygiene, sanitation...
阶梯: flight of steps, a means of advancement, stepping stone...
咸: salted, salty, stingy, miserly...
发票: invoice, receipt or bill for purchase...
兢兢业业: (idiom) conscientious, assiduous...
似乎: apparently, to seem, to appear, as if, seemingly...
老: noun prefix (Lao Wang)...