網友回答：
biology， you will see beautiful sceneries typical of the region. besides， having worked hard throughout the weekdays， spending an annual holiday travelling abroad is an especially satisfying experience for those who do not have much of an opportunity to
溫馨提醒：隨時光變遷，文中所陳述觀點；準確性、難免有所變動，因此文中觀點僅供參考。
