# 'relation_extraction': {
The moment you visit a website or app with ad space, it asks an ad tech company to determine which ads to display for you.
，这一点在WPS官方版本下载中也有详细论述
«Очевидно, что сейчас мы находимся на ранней стадии этой кампании», — сказал он.
Each AWS region is split up into at least three data center availability zones, with each zone isolated and physically separated “by a meaningful distance,” although they are all within 100 kilometers (60 miles) of each other and connected by “ultra-low-latency networks” that reduce the time lag for data transmission.