可以去，不过不要太剧烈了。
因为和15年或20年前比，现在市场变化太剧烈了。
Because the market is changing more dramatically than it would have 15 or 20 years ago.
据英国《每日邮报》报道，研究人员表示，日常锻炼若不是太剧烈，可预防感冒。
Researchers say that regular exercise reduces the risk of getting a cold -- but only if it is not too vigorous, the Daily Mail reported.
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