http://172.19.1.196:8983/solr/secweb/select?q=Persevering definite OR "persevering definite" OR "Persistent certain" OR "Persistent sure" OR "Tenacious certain" OR "Tenacious sure"&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_filetype%3Adoc&start=0&rows=10
means short-term investments with high liquidity ready to be converted into definite amounts of cash, and low risk of value changing or pertaining insignificant value changing, most of which are bills or