动物迁徙与生物迁徙，是两个不同的概念。我们常从纪录片中看到的非洲大迁徙属于动物迁徙的范畴。每年大约有超过一百万只的角马、数十万只斑马和其他草食动物从塞伦盖蒂国家公园迁移到马赛马拉国家保护区，寻找新的草场和水源。此外还有每年的候鸟迁徙、北美帝王蝶的迁徙 ...

BANDAR SERI BEGAWAN, Aug. 1 (Xinhua) -- The Competition Commission of Brunei Darussalam (CCBD) has announced the enforcement of Section 21 and Section 23 of the Competition Act, which relate to the ...