The new product was not marketed as carefully as it could have been.

We would like advise you to carefully read the terms stipulated below.
以下の条件をよくお読みください。

The new product was not marketed as carefully as it could have been.
その新製品については、もっと慎重なマーケティングができたはずだ。

carefully analyze the details of ~ before deciding
～の詳細を入念に分析してから…を決定する

Carefully read the following terms and conditions before opening the sealed media package.
密封された本メディア・パッケージを開封する前に以下の条項を注意してお読みください。

The engineer carefully studied the plans of the new engine he designed before entering the meeting.
そのエンジニアは会議に入る前に、自分がデザインした新型エンジンの設計図を注意深く検討した。

Inspect the date stamp carefully, as yeast will not do its work once it becomes stale.
イーストは一旦古くなると効き目がなくなるので日付印を注意して見なさい。