要跟上计算机领域所有最新的发展几乎不可能。
It is almost impossible to keep abreast of all the latest developments in computing.
尽管旧的饭盒还完全能用，但孩子们每年还是会求着要买新饭盒，跟上最新角色的潮流。
Kids would beg for a new lunch box every year to keep up with the newest characters, even if their old lunchbox was perfectly usable.
对于一家处于这种情况下的公司来说，即使只是为了关键员工的利益而跟上最新的技术，也可能是非常昂贵的。
For a company in this situation, keeping up to date with the latest technology, even if it's only for the benefit of key staff, this can be hugely expensive.
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