王迎新茶席设计:under the sun 与in the sun有什麼区别呢？

under the sun 与in the sun有什麼区别呢？ Under the Tuscan Sun 在太阳下是in the sun 还是under the sun And while Ben worked in the hot sun whitewashing ,Tom reseted under the tree. 在太阳下是用in the sun 还是用under the sun 请说出答案的根据出自哪本书 Dying in the sun dying in the sun dying in the sun walk in the sun seasons in the sun