6.__person may like to spend his vacation at the seashore，while another may prefer the mountains．

用 ONE
ONE...ANOTHER 表示 一个。。。另一个。。。
Differing one from another.
不同的，相异的一个与另一个不同的

One misfortune follows another.
一件件不幸的事接踵而来；祸不单行。

One sheep follows another.
一羊跟一羊（指盲从）。

Some