an alternative plan if the first one fails
最初の計画が失敗した場合の代替案 (saisho no keikaku ga shippai shita baai no daitai an)
"We should have a plan B in case things go wrong."
"物事がうまくいかない場合に備えてプランBを持つべきです。" (monogoto ga umaku ikanai baai ni sonaete puran bi o motsu beki desu)
creative and visionary thinking that ignores practical limit...
To go beyond acceptable or proper boundaries.
to survive a difficult situation
to be working or responsible for something at a certain time
to have a friendly relationship with someone
the largest part of something