to consider what will happen in the future and make plans for it
未来に何が起こるかを考えて、それに向けて計画を立てる (mirai ni nani ga okoru ka o kangaete, sore ni mukete keikaku o tateru)
"You should think ahead to where you want to be in five years."
"あなたは5年後にどこにいたいか考え、計画を立てるべきです。" (anata wa think ahead to go nen go ni doko ni itai ka kangaeru beki desu)
to return to a topic once something else has finished
to express worry or doubt about an issue
to start a device or piece of equipment
to think about the future or consider wider possibilities
to decide that you want to achieve something specific
to make prices steady and prevent large fluctuations