split echo presentation

例句：

1. 1. The team split into twogroups to tackle the problem separately.
   团队分成两组，分别处理这个问题。
2. 2. Thecompany split up after afew years of operation.
   公司运营几年后分家了。
3. 3. The twocountries have been splitting their resources fordecades.
   这两个国家几十年来一直在分割资源。