

来週、新しい会社と契約を結ぶ予定です。
サインする前に、契約の内容をよく確認してください。
携帯電話の契約を変えたいんですが。
"けいやく(契約)" is in the lesson "Accounting" (Level 41), along with 12 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.