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LampPro Tip 1/2
Physical supportPlay
Use 'sustain' when you talk about something providing physical support over time. SlideThe beams sustain the entire weight of the building.
LampPro Tip 2/2
Long-term aspectPlay
Emphasize the duration with 'sustain'; it's not just supporting, but doing so for a long period. SlideOnly a few athletes can sustain peak performance for many years.