请你把中文翻译成为英文
“ “究其原因可能是市场份额并没有增加长途目的地，但作为中国出境游客购物的重要活动的主要目的是下降。
This can be attributed to the fact that long-haul destinations have not been able to grow their market share, while shopping is losing its importance as a key activity for Chinese outbound travellers.