• 口述
• 文述

for the sake of ～

I suggest taking a taxi for the sake of convenience
タクシーを使う方が便利です。（便利さを考えるとタクシーを使うことをおすすめします。）

make it a rule to ～

I make it a rule never to mix business with pleasure.
仕事と遊びを混合しないことにしています。

Make it a rule always to check with the scorekeeper before going on to the area.

Early April in the Hebrides can be wild, but we always make it a rule that, if we have decided to go, then we go, regardless of weather conditions.

• 説明

In essence

文頭にくる。前述をさらに説明する際に用いる

• 口述技法

Please let me know what I can do for you.

• 説明

be concerned with (n)～

be more concerned with (n)～
～に重きを置く