In April 1984 , the two sides concluded the initial discussion of these matters .
In April 1984 , the two sides arranged that Hong Kong would retain a high degree of autonomy under Chinese sovereignty with the preservation of the maintained lifestyle in Hong Kong .
In April 1984 , the two sides concluded the initial discussion of these matters , and arranged that Hong Kong would retain a high degree of autonomy under Chinese sovereignty with the preservation of the maintained lifestyle in Hong Kong .