这两家公司宣布建立战略性联盟。

Zhè liǎng jiā gōngsī xuānbù jiànlì zhànlüèxìng liánméng.

These two companies announced the establishment of a strategic alliance.

国际联盟的成员共同合作解决全球性问题。

Guójì liánméng de chéngyuán gòngtóng hézuò jiějué quánqiúxìng wèntí.

Members of the international alliance collaborate to address global issues.

在竞争激烈的市场中，企业常常选择联盟。

Zài jìngzhēng jīliè de shìchǎng zhōng, qǐyè chángcháng xuǎnzé liánméng.

In a fiercely competitive market, companies often choose to form alliances.