立彬の日本語
彼は商用で大阪に出かけて留守だ。
tbd
He is absent on business in Osaka.
He's not here because he's on a business trip to Osaka.
He's out of the office because he's in Osaka on business.
390
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商用， しょうよう
1. on business, for business, business purpose
tbd
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大阪， 大坂， おおさか
1. Osaka (city, prefecture)
大阪
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出かける， 出掛ける， でかける
1. to go out (e.g. on an excursion or outing), to leave, to depart, to start, to set out
2. to be about to leave, to be just going out
外出（例如参加郊游或外出活动）、离开、启程、出发、动身；即将离开，正要出门
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留守， 留主， るす
1. absence, being away from home
2. house-sitting, house-sitter
3. being left unattended to (of one's studies, etc.), neglecting
不在家，离家在外
彼， かれ
1. he, him
2. boyfriend
他
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
で
1. at, in
2. at, when
3. by, with
4. within, in
5. and then, so
6. and, then
7. let me tell you, don't you know
表示范围
に
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), for, with
5. by, from
6. as (i.e. in the role of)
7. per, in, for, a (e.g. "once a month")
8. and, in addition to
9. if, although
tbd
