求翻译：5. 经过半个多世纪的艰苦奋斗，中国有了比较大的发展，经济总量跃居世界前列，但我们仍然是一个发展中国家，同发达国家相比还有很大的差距是什么意思？

5. After half a century of hard work, China has relatively large development, economic output ranks the world, but we are still a developing country, with developed countries, there is still a large gap between

. * 5 After more than half a century of hard work, China's development is a relatively large, with the overall economy ranks among the highest in the world, we are still a developing country, compared with the developed countries there is still a big gap between

5. After more than half century arduous struggle, China had the quite big development, the economic output leaps to the world front row, but we still were a developing nation, compares with the developed country also has the very big disparity

5. After more than half a century of hard work, China has a relatively large development, economic output leapt to the forefront of the world, but we are still a developing country, compared with the developed countries there is still a big gap between the

5. After more than half a century of hard work, China has a relatively large development, economic output leapt to the forefront of the world, but we are still a developing country, compared with the developed countries there is still a big gap between the