業界, ぎょうかい
business world, business circles, (the) industry
この会社は石油業界で2位に位している。
の, 乃
Particle, orig. written 乃 or 之
1. indicates possessive
2. nominalizes verbs and adjectives
See が・1
3. substitutes for "ga" in subordinate phrases
at sentence-end; falling tone
4. indicates a confident conclusion
Female term or language, at sentence-end
5. indicates emotional emphasis
あらゆる, 凡ゆる, 有らゆる
Pre-noun adjectival (rentaishi)
all, every