"from bottom up" is a correct and commonly used phrase in written English.
It is typically used to describe a process or action that starts from the lowest point or level and works its way up. Example: "In order to understand the complex organizational structure, it is important to analyze it from bottom up, starting with the departments and moving up to the highest level of management."
Freedom is always from bottom up, not top down.
It, too, requires changing the political culture and state-building from bottom up, another long historical process.
Therefore we argue for a policy that works from bottom up and pays attention to the internal diversity of the population.
What about your good old credit card that processes your soul from bottom up, including location and time of everything you buy with it?
He added in his Weibo posting, "It is time now for the Internet to force reforms into being from bottom up".
"The market is getting healthy from bottom up," said Chris Meyers, the chief operating officer of the brokerage, "and we consider that to be a good sign".
Biominerals exhibit complex hierarchical structures derived from bottom-up self-assembly mechanisms.
Zhou, N. et al. China's energy and emissions outlook to 2050: perspectives from bottom-up energy end-use model.
The model simulates the emergence of land prices and urban land patterns from bottom-up via interactions of individual agents in a land market.
In this paper, an ultrasensitive colorimetric biosensor for human chorionic gonadotrophin (hCG) detection was designed from bottom-up method based on the dual catalysis of the horseradish peroxidase (HRP) and Au@Pt nanoparticles (NPs) relative to H2O2-TEM system.
It was found, without institutionalized input and surveillance from bottom-up by individual citizens and civil society organizations (CSOs), the top-down approaches remained ineffective and land use was mainly left for manipulation by local governments.
