1、commercial

商業的;貿易的

Docklands in its heyday was a major centre of industrial and commercial activity.

港區在其最繁榮的時期曾是主要的工商業活動中心。

Attacks were reported on police, vehicles and commercial premises.

據報道，警察、車輛和商業經營場所均遭到襲擊。

(組織、活動)營利的，商業化的，偏重利潤的

British Rail has indeed become more commercial over the past decade.

過去10年來，英國鐵路確實變得更加商業化了。

Conservationists in Chile are concerned over the effect of commercial exploitation of forests.

對森林的商業開發所帶來的影響讓智利的自然資源保護者們感到憂心忡忡。

(車輛)商用的

Commercial vehicles, coaches and lorries are required by law to be fitted with tachographs.

法律規定商用車輛、長途汽車和卡車要安裝轉速計。

the fastest crossing of the Atlantic by a commercial passenger vessel.

商用客船最快的一次橫渡大西洋

2、declare

宣稱，聲稱（…為事實）；表明(態度、意圖等)

Speaking outside Ten Downing Street, she declared that she would fight on.

她在英國首相官邸外發表講話時宣稱她將繼續斗爭下去。

'I'm absolutely thrilled to have done what I've done,' he declared.

他宣稱道：“我為自己的所作所為感到興奮不已?！?/p>

宣布;宣告

The government is ready to declare a permanent ceasefire.

政府準備宣布永久性停火。

His lawyers are confident that the judges will declare Mr Stevens innocent.

史蒂文斯先生的律師們確信法官將宣告他無罪。

申報(納稅品、收入等)

Your income must be declared on this form.

必須在這張表格上申報你的收入。

She had nothing to declare, and was starting to go through the 'Green' channel when she was stopped.

她沒有什么要申報的，便開始進入綠色通道，結果就在這時被攔住了。