暂停是指的什么呀????

明白了!是这样吧!!

data segment
a db 'Hello World!','$'
data ends
code segment
assume cs:code,ds:data
begin:
mov ax,data
mov ds,ax
mov dx,offset a
mov ah,9
int 21h
mov ah,8
int 21h
mov ah,4ch
int 21h
code ends
end begin