WITHIN a week of each other,both the European Commission and the White House have set out a.WITHIN a week of each other,both the European Commission and the White House have set out a series of new rules designed to stem the rising tide of cyber-atta

WITHIN a week of each other,both the European Commission and the White House have set out a.WITHIN a week of each other,both the European Commission and the White House have set out a series of new rules designed to stem the rising tide of cyber-atta
WITHIN a week of each other,both the European Commission and the White House have set out a.
WITHIN a week of each other,both the European Commission and the White House have set out a series of new rules designed to stem the rising tide of cyber-attacks against public and private victims.请问WITHIN a week of each other中的each other放在这是什么用法?又该怎么翻译?

WITHIN a week of each other,both the European Commission and the White House have set out a.WITHIN a week of each other,both the European Commission and the White House have set out a series of new rules designed to stem the rising tide of cyber-atta
eath other 在此用法为 介词宾语.翻译为 “双方在一周之内”.