6. Nếu họ phải viết tay, nó sẽ tốn khá nhiều thời gian trong khi với các phương tiện hiện đại, việc lưu trữ sẽ trở nên dễ dàng hơn nhiều. (write by hands (v): viết tay)
6. If they are hand-written, it will cost quite a lot of time while with the modern media, the storage will become much easier. (write by hands (v): hand-written)
6. If they have written, it will take a lot of time while with modern facilities, the storage will become much easier. (Write by hands (v): handwritten)