Advertising only introduces the advantages, but not its disadvantages. In fact, many things are not as good as the advertisements say, so the advertisements cannot be completely trusted.
Ads only describe the advantages, but they don't talk about their disadvantages. In fact, a lot of things aren't as good as advertising says, so you can't trust them completely.
Advertisements only introduce advantages, but not disadvantages. In fact, a lot of things are not as good as the advertisements say, so we can't completely believe the advertisements.