theo tôi ,có ba khó khăn quan trọng

theo tôi ,có ba khó khăn quan trọng nhất khi đi làm thêm là

Kết quả (Anh) 1:

in my opinion, there are three most important difficulties when work is

Kết quả (Anh) 2:

in my opinion, there are three most important problems to work as