求翻译：通过改革三十年来，中国已经布满了跨国公司，中国经济各个领域几乎已被跨国公司挤满，每年光是利润收益也有4000--5000亿美元。是什么意思？

Through three decades of reform, China has been covered with multinational companies in various fields of China's economy has almost been packed with multinational profit income alone each year 4000 - $ 500 billion.

Through the reform for 30 years, China has been heavily infested with multinational corporations, China has been almost all areas of the economy by transnational corporations, packed with each year, there are also 4000 revenue - $500 billion.

Through reforms for 30 years, China has already covered entirely the multinational corporation, Chinese economy each domain nearly already by the multinational corporation crammed full, every year the light was the profit income also has 4000--500,000,000,000 US dollars.

Through 30 years of reform, China has been covered with a multinational company, China has almost been transnational corporations is crowded with various areas of economic, revenue alone has 4000--5000 millions of dollars a year.

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