She's walking east to west, and I west to east.

她从东到西走，我从西到东。

youdao

This river flows from west to east.

这条河由西向东流。

《新英汉大辞典》

The earth turns round from west to east.

地球由西向东旋转。

《新英汉大辞典》

Now the trains are going back west empty, but he hopes to fill them with beer, soda, water and paper, all of which already go west-to-east.

FORBES: Join The Cold Train

Gaffney, Jr. commended Secretary Mosbacher for his approach to East-West economic relations and called on the Administration to obtain greater alliance coordination in East-West economic and financial security matters.

CENTERFORSECURITYPOLICY: Center for Security Policy | Center For Security Policy Commends ��Mosbacher Principles�� On East-West Trade

Mr Hague said cyber attacks were "criss-crossing the globe from north to south and east to west - in all directions, recognising no borders, with all countries in the firing line".

BBC: William Hague at the UN in New York