求翻译：下设65个二级单位，480多个三级单位，3400多个四级单位，用工总量20多万，组织机构庞大，岗位工种繁多，人员构成复杂，管理难度较大。是什么意思？

Consists of 65 two units, three units of more than 480, more than 3,400 four units, total employment more than 20 million, a large organization, many types of positions, staff a complex, difficult to manage.

Established under 65 months, more than 480 units at level 2 level 3 Level 4 units, more than 3,400 units, and 10,000 in total more than 20 organizations, institutions are large and diverse composition of staff job types make it difficult to manage complex larger.

Next sets up 65 two level of units, more than 480 three level of units, more than 3400 four level of units, the employing labor total quantity more than 20 ten thousand, the organizations and agencies are huge, the post kind of work in a factory is many, the personnel constitutes complex, manages th

Possesses 65 second-level units, more than 480 more three-tier units, more than 3,400 more than four units, total employment more than 200,000, organizations large job types are numerous, the composition of complex, management is quite difficult.

Consists of 65 two units, three units of more than 480, more than 3,400 four units, total employment more than 20 million, a large organization, many types of positions, staff a complex, difficult to manage.