uncertain - adj. not exactly known or decided

infrastructure - n. the basic equipment and structures (such as roads and bridges) that are needed for a country or area to operate

switch - v. to make a change from one thing to another

jump start - v. to give new energy to (something)

network - n. a system of lines or wires that are connected to each other

alternative - n. something that can be chosen instead of something else; a choice