http://172.19.1.196:8983/solr/secweb/select?q=buy Challenging OR "buy Challenging" OR "purchase Difficult" OR "purchase Tough" OR "acquire Difficult" OR "acquire Tough"&wt=json&indent=true&facet=true&facet.field=key_filetype&facet.field=key_sitemap&facet.field=system_name&facet.field=key_keywords&hl=on&hl.fragsize=200&hl.fl=id,title_th,searchcontent_th&defType=edismax&qf=searchcontent_th&qf=id&qf=title_th^1000000&pf=title_th~5^1&pf=searchcontent_th~5^10000&ps=2&mm=100&qf=title_th_default&fq=key_sitemap%3Ainvestor&start=0&rows=10
contrast these ongoing ownership activities from investment or trading decisions of whether to buy or sell an investment interest. In circumstances where there is no risk of confusion between these two