成本居高不下，经济效益很难达到预期效果。
High cost, economic efficiency is difficult to achieve the desired results.
怎样使公司的效益最大化，能够卖出更多的楼盘，从而达到房地产开发商预期的目标。
How about make the benefit of company maximize and sell more buildings, then to gain the goals that the real estate developer pursues.
改造后的系统运行稳定，生产能力有显著提高，完全达到预期效果，经济效益显著。
The system after revamping runs steadily and production ability enhances remarkably. It has reached completely anticipated effect and economic benefit is obvious.
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