to hold concurrent posts; concurrent job; moonlighting

to handle two or more responsibilities at the same time; to balance (career and family, or work and studies etc)

to hold a concurrent post; part-time; (in academia) adjunct

an all-rounder; good at everything

to combine; to have both

have both

compatible

to moonlight; side job

to annex; to take over; to acquire

using several (methods)

to combine; to have both

"universal love", principle advocated by Mozi 墨子[Mo4 zi3], stressing that people should care for everyone equally

to travel at double speed; to make all haste

a second job; supplementary way of making a living

to contain two things at a time; to mingle; to incorporate

to teach classes in addition to other duties; to hold several teaching jobs

compatibility

(idiom) to work for the common good beyond one's own interests

to include and monopolize many things; all-embracing

incorporating diverse things (idiom); eclectic; all-embracing

(idiom) to make everyone's lives better

to have both (at the same time)

mergers and acquisitions (M&A)

listen to both sides and you will be enlightened; heed only one side and you will remain ignorant (idiom)